Lagny Abbey
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Lagny Abbey (''St Peter’s Abbey, Lagny'') was a
monastery A monastery is a building or complex of buildings comprising the domestic quarters and workplaces of Monasticism, monastics, monks or nuns, whether living in Cenobitic monasticism, communities or alone (hermits). A monastery generally includes a ...
in the present-day commune of
Lagny-sur-Marne Lagny-sur-Marne (, literally ''Lagny on Marne'') is a commune in the eastern suburbs of Paris, France. It is located in the Seine-et-Marne department in Île-de-France from the centre of Paris (20 minutes away from the centre of Paris). The ...
in the department of
Seine-et-Marne Seine-et-Marne () is a department in the Île-de-France region in Northern France. Named after the rivers Seine and Marne, it is the region's largest department with an area of 5,915 square kilometres (2,284 square miles); it roughly covers its ...
in
France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
, in the eastern suburbs of
Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
. It was founded in 644, refounded in about 990 and after well over a millennium of existence (almost 1,150 years) was seized by the state during the French Revolution.


History

The original foundation was made about 644 by
Saint Fursey Saint Fursey (also known as Fursa, Fursy, Forseus, and Furseus: died 650) was an Irish monk who did much to establish Christianity throughout the British Isles and particularly in East Anglia. He reportedly experienced angelic visions of the a ...
, at the request of
Erchinoald Erchinoald (also ''Erkinoald'' and, in French, ''Erchenout'') succeeded Aega as the mayor of the palace of Neustria in 641 and succeeded Flaochad in Burgundy in 642 and remained such until his death in 658. Family According to Fredegar, he was ...
, then
mayor of the palace Under the Merovingian dynasty, the mayor of the palace or majordomo, ( or ) was the manager of the household of the Frankish king. He was the head of the Merovingian administrative ladder and orchestrated the operation of the entire court. He ...
of
Burgundy Burgundy ( ; ; Burgundian: ''Bregogne'') is a historical territory and former administrative region and province of east-central France. The province was once home to the Dukes of Burgundy from the early 11th until the late 15th century. ...
, who also provided land for it. The new house quickly attracted gifts from
Clovis II Clovis II (633 – 657) was King of the Franks in Neustria and Burgundy, having succeeded his father Dagobert I in 639. His brother Sigebert III had been King of Austrasia since 634. He was initially under the regency of his mother Nanth ...
, king of
Neustria Neustria was the western part of the Kingdom of the Franks during the Early Middle Ages, in contrast to the eastern Frankish kingdom, Austrasia. It initially included land between the Loire and the Silva Carbonaria, in the north of present-day ...
and his wife, the
Anglo-Saxon The Anglo-Saxons, in some contexts simply called Saxons or the English, were a Cultural identity, cultural group who spoke Old English and inhabited much of what is now England and south-eastern Scotland in the Early Middle Ages. They traced t ...
Queen Bathild (later
canonised Canonization is the declaration of a deceased person as an officially recognized saint, specifically, the official act of a Christian communion declaring a person worthy of public veneration and entering their name in the canon catalogue of sai ...
), and this ensured it a certain prestige. The earlier monastery was reduced to ruins by the
Normans The Normans (Norman language, Norman: ''Normaunds''; ; ) were a population arising in the medieval Duchy of Normandy from the intermingling between Norsemen, Norse Viking settlers and locals of West Francia. The Norse settlements in West Franc ...
in the 9th century. Herbert II and
Stephen I Stephen I may refer to: *Pope Stephen I, Bishop of Rome from 254 to 257 *Stephen I of Antioch, Patriarch of Antioch from 342 to 344 *Stephen I of Iberia (died 627), of the Guaramid Dynasty, presiding prince of Iberia from c. 590 to 627 *Ecumenical ...
,
Counts of Meaux Counts who reigned over the county of Meaux include: Counts of Meaux * : Helmgaud. * 787: Richard, appeared in an inventory of Abbey of Saint Wandrille after the death of abbot Witlaic. * 799–813: Helmgaud II, son of Gauzhelm, son of Helmgaud ...
, had the abbey rebuilt between 990 and 1018. In 1019 the newly rebuilt church was consecrated by Leotheric,
Archbishop of Sens The Archdiocese of Sens and Auxerre (Latin: ''Archidioecesis Senonensis et Antissiodorensis''; French language, French: ''Archidiocèse de Sens et Auxerre'') is a Latin Church, Latin archdiocese of the Catholic Church in France. The archdiocese co ...
, and dedicated to
Saint Peter Saint Peter (born Shimon Bar Yonah; 1 BC – AD 64/68), also known as Peter the Apostle, Simon Peter, Simeon, Simon, or Cephas, was one of the Twelve Apostles of Jesus and one of the first leaders of the Jewish Christian#Jerusalem ekklēsia, e ...
,
Saint Paul Paul, also named Saul of Tarsus, commonly known as Paul the Apostle and Saint Paul, was a Christian apostle ( AD) who spread the teachings of Jesus in the first-century world. For his contributions towards the New Testament, he is generally ...
and the
Holy Innocents The Massacre (or Slaughter) of the Innocents is a story recounted in the Nativity narrative of the Gospel of Matthew ( 2:16– 18) in which Herod the Great, king of Judea, orders the execution of all male children who are two years old and u ...
. On that occasion, King
Robert II of France Robert II ( 972 – 20 July 1031), called the Pious () or the Wise (), was List of French monarchs, King of the Franks from 996 to 1031, the second from the Capetian dynasty. Crowned Junior King in 987, he assisted his father on military matters ...
made two gifts to the house from the treasure collected by the Emperor
Charlemagne Charlemagne ( ; 2 April 748 – 28 January 814) was List of Frankish kings, King of the Franks from 768, List of kings of the Lombards, King of the Lombards from 774, and Holy Roman Emperor, Emperor of what is now known as the Carolingian ...
at
Aix-la-Chapelle Aachen is the 13th-largest city in North Rhine-Westphalia and the 27th-largest city of Germany, with around 261,000 inhabitants. Aachen is located at the northern foothills of the High Fens and the Eifel Mountains. It sits on the Wurm Riv ...
. One was considered to be a thorn from the
Crown of Thorns According to the New Testament, a woven crown of thorns ( or ) was placed on the head of Jesus during the Passion of Jesus, events leading up to his crucifixion of Jesus, crucifixion. It was one of the Arma Christi, instruments of the Passion, e ...
of Jesus and the other a Holy Nail from his
Crucifixion Crucifixion is a method of capital punishment in which the condemned is tied or nailed to a large wooden cross, beam or stake and left to hang until eventual death. It was used as a punishment by the Achaemenid Empire, Persians, Ancient Carthag ...
. Both were lost in 1567 when the Abbey was pillaged by Calvinists during the
French Wars of Religion The French Wars of Religion were a series of civil wars between French Catholic Church, Catholics and Protestantism, Protestants (called Huguenots) from 1562 to 1598. Between two and four million people died from violence, famine or disease di ...
. The
Abbey of Saint-Père-en-Vallée The Abbey of Saint-Père-en-Vallée was a monastery just outside Chartres in France. Founded by Queen Balthild in the seventh century, it adopted the Benedictine rule in 954 and joined the Congregation of Saint-Maur in 1650. It was closed with all ...
just outside the medieval walls of
Chartres Chartres () is the Prefectures in France, prefecture of the Eure-et-Loir Departments of France, department in the Centre-Val de Loire Regions of France, region in France. It is located about southwest of Paris. At the 2019 census, there were 1 ...
had been founded by Queen
Balthild Balthild ( 626 – 30 January 680) (; , 'bold sword' or 'bold spear), also spelled Bathilda, Bauthieult or Baudour, was queen consort of Neustria and Burgundy by marriage to Clovis II, the King of Neustria and Burgundy (639–658), and regent d ...
in the 7th century. When in 1002 Abbot Magenard was imposed on the monks without an election by Count
Theobald II of Blois Theobald II, Count of Blois (Thibaut II; d. 1004) was the eldest son and heir of Odo I, Count of Blois, and Bertha of Burgundy. The stepson of Robert II of France, he became Count of Blois, Châteaudun, Chartres and Reims after the death of his ...
, the monks fled to Lagny Abbey, returning only after two or three years following a reconciliation. * In 1107
Pope Paschal II Pope Paschal II (; 1050  1055 – 21 January 1118), born Raniero Raineri di Bleda, was head of the Catholic Church and ruler of the Papal States from 13 August 1099 to his death in 1118. A monk of the Abbey of Cluny, he was creat ...
visited the abbey, and in 1131
Pope Innocent II Pope Innocent II (; died 24 September 1143), born Gregorio Papareschi, was head of the Catholic Church and ruler of the Papal States from 14 February 1130 to his death in 1143. His election as Pope was controversial, and the first eight years o ...
. * Prior to his election as Abbot of
Gembloux Gembloux (; ; ) is a municipality and city of Wallonia located in the province of Namur, Belgium. On 1 January 2006, the municipality had 21,964 inhabitants. The total area is 95.86 km2, yielding a population density of 229 inhabitants per ...
(1115),
Anselm of Gembloux Anselm of Gembloux, Latinized Anselmus Gemblacensis (died 22 February 1136) was abbot of Gembloux Abbey 1115–1136, and continuator of the chronicle of Sigebert of Gembloux. Before his election he had been scholaster at Hautvilliers Abbey ( fr) ...
had been
scholaster A scholaster, from the Latin ''scholasticus'' (schoolmaster), or magister scholarum, was the head of an ecclesiastical school, typically a cathedral school, monastic school, or the school of a collegiate church, in medieval and early-modern Europe. ...
or headmaster of the ecclesiastical school at Lagny Abbey. * In 1163/1164
Pope Alexander III Pope Alexander III (c. 1100/1105 – 30 August 1181), born Roland (), was head of the Catholic Church and ruler of the Papal States from 7 September 1159 until his death in 1181. A native of Siena, Alexander became pope after a Papal election, ...
wrote to the abbot of Lagny requesting an annual payment of one ounce of gold, which was owed according to "a certain work among the books of the apostolic see", evidently the
Liber Censuum The ''Liber Censuum Romanæ Ecclesiæ'' (Latin for "Census Book of the Roman Church"; also referred to as the Codex of Cencius)Gregorovius, 1896, p. 645. is an eighteen-volume (originally) financial record of the real estate revenues of the papa ...
, a large-scale record of revenues of the papacy covering the years 492-1192.


Abbots

The early abbots seem to have been Irish missionaries and it is a difficult specialist task to piece together reliable details about their names, origins, and activity. It is also difficult to disentangle men with similar or identical names. An early figure who features in some accounts is Saint ''Eloquius'' (died 666), an Irish monk who may have been the successor of the founder, Saint Fursey, as Abbot. It is said that in the 10th century Saint
Forannan Forannan, fl. c. 969, was Bishop of Donoughmore. Life Forannan was born around 910 to an old noble family. His clan held the plain of Magh Feimhin, near Clonmel. He received an excellent upbringing and education, and became a Benedictine monk. Fo ...
, an Irish Bishop-Abbot who had been originally Bishop of Donoughmore, had St Eloquius’ relics taken to
Waulsort Abbey Waulsort Abbey () was a Benedictine monastery located at Waulsort, Wallonia, now in Hastière in the Namur (province), province of Namur, Belgium. The monastery was founded in 946 by Irish monks. They were invited by Eilbert de Florennes who wa ...
in modern
Belgium Belgium, officially the Kingdom of Belgium, is a country in Northwestern Europe. Situated in a coastal lowland region known as the Low Countries, it is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeas ...
where he had become abbot. Another early abbot, though apparently only for a time, was Saint Mombulus, also an Irishman, who left the abbey to evangelize in
Picardy Picardy (; Picard language, Picard and , , ) is a historical and cultural territory and a former regions of France, administrative region located in northern France. The first mentions of this province date back to the Middle Ages: it gained it ...
around
Chauny Chauny () is a Communes of France, commune in the Aisne Departments of France, department in Hauts-de-France in northern France. History There has been a settlement on the site, more or less continuously, since at least the Carolingian era. Kno ...
before dying and being buried at Condren. In the period after the Normans had launched their
conquest Conquest involves the annexation or control of another entity's territory through war or Coercion (international relations), coercion. Historically, conquests occurred frequently in the international system, and there were limited normative or ...
of England, we know of two abbots of Lagny intimately linked with the
Counts of Champagne The count of Champagne was the ruler of the County of Champagne from 950 to 1316. Champagne evolved from the County of Troyes in the late eleventh century and Hugh I of Champagne, Hugh I was the first to officially use the title count of Champagn ...
and their kin. One was Arnold of Champagne, Abbot of Lagny from 1066 to 1106. He was the brother of Saint
Theobald of Provins Theobald of Provins () (1033–1066) was a French hermit and saint. Biography He was born at Provins to the French nobility, his father being Arnoul, Count of Champagne.François Verdier, ''Saints de Provins et comtes de Champagne. Essai sur ...
and a relative of the
Counts of Champagne The count of Champagne was the ruler of the County of Champagne from 950 to 1316. Champagne evolved from the County of Troyes in the late eleventh century and Hugh I of Champagne, Hugh I was the first to officially use the title count of Champagn ...
Odo II, Theobald III et Theobald IV, their common ancestor being Saint Theobald of Vienne (927-1001). In 1075 Abbot Arnold brought to the abbey on horseback from Italy important relics of his younger brother
Theobald Theobald is a Germanic dithematic name, composed from the elements '' theod-'' "people" and ''bald'' "bold". The name arrived in England with the Normans. The name occurs in many spelling variations, including Theudebald, Diepold, Theobalt, Ty ...
, who had been
canonized Canonization is the declaration of a deceased person as an officially recognized saint, specifically, the official act of a Christian communion declaring a person worthy of public veneration and entering their name in the canon catalogue of sa ...
by
Pope Alexander II Pope Alexander II (1010/1015 – 21 April 1073), born Anselm of Baggio, was the head of the Roman Catholic Church and ruler of the Papal States from 1061 to his death in 1073. Born in Milan, Anselm was deeply involved in the Pataria reform mo ...
not long before (1073). It is from this relic that the neighbouring locality of
Saint-Thibault-des-Vignes Saint-Thibault-des-Vignes () is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France. Population Inhabitants of Saint-Thibault-des-Vignes are known as ''Théobaldiens'' in French. Education There are ...
took its name in 1081, and that there developed and spread in France the
cult Cults are social groups which have unusual, and often extreme, religious, spiritual, or philosophical beliefs and rituals. Extreme devotion to a particular person, object, or goal is another characteristic often ascribed to cults. The term ...
of the Saint, who been a hermit and a pilgrim and on his deathbed had taken the vows of a
Camaldolese The Camaldolese Hermits of Mount Corona () are a Catholic Church, Catholic monastic order of pontifical right for men founded by Romuald, St. Romuald. Its name is derived from the Holy Hermitage () in Camaldoli, high in the mountains of Tuscany, ...
monk. Another member of the same family was Hugh, abbot of Lagny from 1163 to 1171, the illegitimate son of
Theobald II, Count of Champagne Theobald the Great (1090–1152) was count of Blois and of Chartres as Theobald IV from 1102 and was Count of Champagne and of Brie as Theobald II from 1125. Theobald held Auxerre, Maligny, Ervy, Troyes and Châteauvillain as fiefs from O ...
(1090-1152), mentioned above, who was
Count of Blois Count (feminine: countess) is a historical title of nobility in certain European countries, varying in relative status, generally of middling rank in the hierarchy of nobility. Pine, L. G. ''Titles: How the King Became His Majesty''. New York: ...
and of
Chartres Chartres () is the Prefectures in France, prefecture of the Eure-et-Loir Departments of France, department in the Centre-Val de Loire Regions of France, region in France. It is located about southwest of Paris. At the 2019 census, there were 1 ...
as Theobald IV from 1102; and
Count of Champagne The count of Champagne was the ruler of the County of Champagne from 950 to 1316. Champagne evolved from the County of Troyes in the late eleventh century and Hugh I was the first to officially use the title count of Champagne. Count Theobal ...
and of
Brie Brie ( ; ) is a soft cow's-milk cheese named after Brie (itself from Gaulish ''briga'', "hill, height"), the French region from which it originated (roughly corresponding to the modern of Seine-et-Marne). It is pale in colour with a slight gre ...
as Theobald II from 1125. Hugh, having been first a knight and then a monk at
Tiron Abbey The Tironensian Order or the Order of Tiron was a medieval monastic order named after the location of the mother abbey (Tiron Abbey, , established in 1109) in the woods of Thiron-Gardais (sometimes ''Tiron'') in Perche, some 35 miles west of Char ...
, was appointed through the influence of his uncles
Stephen, King of England Stephen (1092 or 1096 – 25 October 1154), often referred to as Stephen of Blois, was King of England from 22 December 1135 to his death in 1154. He was Count of Boulogne ''jure uxoris'' from 1125 until 1147 and Duke of Normandy from 1135 ...
and
Henry of Blois Henry of Blois ( c. 1096 8 August 1171), often known as Henry of Winchester, was Abbot of Glastonbury Abbey from 1126, and Bishop of Winchester from 1129 to his death. He was the son of Stephen II, Count of Blois and Adela of Normandy, a yo ...
,
Bishop of Winchester The Bishop of Winchester is the diocesan bishop of the Diocese of Winchester in the Church of England. The bishop's seat (''cathedra'') is at Winchester Cathedral in Hampshire. The Bishop of Winchester has always held ''ex officio'' the offic ...
successively abbot of two English monasteries,
St Benet's Abbey St Benet's Abbey, also known as St Benet's at Holme or St Benet Hulme, was a medieval monastery of the Order of Saint Benedict situated at Cow Holm in Horning, Norfolk, Kingdom of England, England. It lay on the River Bure within the Broads. St ...
, Holme, in
Norfolk Norfolk ( ) is a Ceremonial counties of England, ceremonial county in England, located in East Anglia and officially part of the East of England region. It borders Lincolnshire and The Wash to the north-west, the North Sea to the north and eas ...
and
Chertsey Abbey Chertsey Abbey, dedicated to St Peter, was a Benedictine monastery located at Chertsey in the English county of Surrey. It was founded in 666 AD by Saint Erkenwald who was the first abbot, and from 675 AD the Bishop of London. At the same ti ...
in
Surrey Surrey () is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Greater London to the northeast, Kent to the east, East Sussex, East and West Sussex to the south, and Hampshire and Berkshire to the wes ...
. Having returned briefly as a simple monk to Tiron, he was made Abbot of Lagny (1163-1171), which housed the tomb of his father (see below) and probably of other family members. When the trial against the Templars began in England on 20 October 1309, among the judges were two papal inquisitors, one of whom was Sicard de Vaur, a canon of Narbonne and judge at Avignon, but the other inquisitor was Deodatus (Dieudonné), Abbot of Lagny.


A Miracle by Joan of Arc

Joan of Arc Joan of Arc ( ; ;  – 30 May 1431) is a patron saint of France, honored as a defender of the French nation for her role in the siege of Orléans and her insistence on the Coronation of the French monarch, coronation of Charles VII o ...
visited the village twice. The second time, in 1430, she is said to have raised from the dead a child who had died three days before. This episode was taken into account in the cause for her canonization. Joan herself had recounted the event in the course of the trial she underwent at Rouen on 3 March 1431: ::"The child was three days old. He was carried before the statue of Our Lady of Lagny. They told me the girls of the village were in front of the statue and that I should be so good as to go and pray God and Our Lady to give life back to the child, and I went there and prayed with the others. At the end, life reappeared in the child, who yawned three times and was baptized. Immediately afterwards he died and was buried in consecrated ground. They said there had been no sign of life in the child for three days. He was as black as my chain mail but after he had yawned his colour started to return. As for me, I was with the other young girls, kneeling, praying in front of Our Lady." When she was about to set off from Lagny for
Senlis Senlis () is a commune in the northern French department of Oise, Hauts-de-France. The monarchs of the early French dynasties lived in Senlis, attracted by the proximity of the Chantilly forest. It is known for its Gothic cathedral and other ...
on 5 May 1430, it is said that Joan entrusted the abbey with six swords, of which one had been used by
Charles Martel Charles Martel (; – 22 October 741), ''Martel'' being a sobriquet in Old French for "The Hammer", was a Franks, Frankish political and military leader who, as Duke and Prince of the Franks and Mayor of the Palace, was the de facto ruler of ...
at the
Battle of Poitiers The Battle of Poitiers was fought on 19September 1356 between a Kingdom of France, French army commanded by King John II of France, King JohnII and an Kingdom of England, Anglo-Gascony, Gascon force under Edward the Black Prince, Edward, the ...
in 732, but these later disappeared.


Burials

* Herbert II of Troyes, born c. 950, died 995. *
Theobald II, Count of Champagne Theobald the Great (1090–1152) was count of Blois and of Chartres as Theobald IV from 1102 and was Count of Champagne and of Brie as Theobald II from 1125. Theobald held Auxerre, Maligny, Ervy, Troyes and Châteauvillain as fiefs from O ...
, born 1090/1095, died 10 January 1152. The tomb, in porphyry, was at least two-tiered, some 7–8 feet long and 4 feet wide.Theodore Evergates, ''Henry the Liberal: Count of Champagne, 1127-1181'', University of Pennsylvania Press, Philadelphia, p. 30.


Abbey Church

In 1033 and especially in 1127 there was a severe outbreak among the population of Lagny of
ergotism Ergotism (pron. ) is the effect of long-term ergot poisoning, traditionally due to the ingestion of the alkaloids produced by the '' Claviceps purpurea'' fungus—from the Latin "club" or clavus "nail" and for "head", i.e. the purple club-h ...
or "Saint Anthony's Fire", caused by a fungal infection of cereals. The people prayed to the Blessed
Virgin Mary Mary was a first-century Jewish woman of Nazareth, the wife of Saint Joseph, Joseph and the mother of Jesus. She is an important figure of Christianity, venerated under titles of Mary, mother of Jesus, various titles such as Perpetual virginity ...
for help, and from that time one of the names of the abbey church has been ''Notre-Dame des Ardents'', "Our Lady of the ''Ardents''", the latter being those afflicted by this condition. The abbey church was damaged by fires in 1134, 1157, 1176, 1184 and 1205. After the last named the abbot of the time, Jean Britel, decided a reconstruction was necessary and extensive works were undertaken. Radical works were undertaken in 1686, shortening the church and erecting a new but flimsy facade, after which the church was reconsecrated. The unsafe condition of the building in 1750 forced further works which demolished the 12th century nave and bell tower, a new bell tower being erected. The revolutionary regime passed a law that each commune was to have only one church. Lagny then had four for its 1,723 inhabitants. Its choice fell upon adopting the abbey church as the new parish church and on 12 August 1792 the other churches were closed. At this period the abbey church was briefly named after Saint Fursey (the dedication of one of the former churches) but when the regime disavowed Christianity, the church as elsewhere became for a time a
Temple of Reason A Temple of Reason () was, during the French Revolution, a state atheist temple for a new belief system created to replace Christianity: the Cult of Reason, which was based on the ideals of reason, virtue, and liberty. This "religion" was supposed ...
. Further restoration and refurbishment took place in 1860. The Franco-Prussian war brought serious damage when the church was occupied by German troops and French prisoners of war and all the wood in the church was stripped for firewood. At that period the
King of Prussia The monarchs of Prussia were members of the House of Hohenzollern who were the hereditary rulers of the former German state of Prussia from its founding in 1525 as the Duchy of Prussia. The Duchy had evolved out of the Teutonic Order, a Roman C ...
,
William I William I may refer to: Kings * William the Conqueror (–1087), also known as William I, King of England * William I of Sicily (died 1166) * William I of Scotland (died 1214), known as William the Lion * William I of the Netherlands and Luxembour ...
, happened to pass through the village and seeing the condition of the church, left a donation of 400 francs for repairs. The money was used to pay for a new organ, installed in 1874. German shellfire damaged the church again in 1944. In 1950 the church assumed the present name ''Notre Dame des Ardents-et-Saint Pierre'' to commemorate Lagny's deliverance from "Saint Anthony's Fire".


Fate of the Abbey Property

The Abbey's buildings were seized as state property during the French Revolution and in 1796 sold off. The monastery buildings became first a military hospital, and from 1842 the offices of the municipality, which they remain today. The church, known now in French as the "Abbatiale Notre-Dame-des-Ardents et Saint-Pierre", has been classed as a national monument since 1886 Eglise Notre-Dame-des-Ardents et Saint-Pierre and the rest of the monastery buildings since 1969. Abbaye Saint-Pierre (ancienne) Lagny-sur-Marne abbatiale 1.jpg, Choir of former abbey church L198 - Abbatiale Notre-Dame-des-Ardents et Saint-Pierre - Lagny sur Marne.JPG, Lady Chapel L204 - Abbatiale Notre-Dame-des-Ardents et Saint-Pierre - Lagny sur Marne.JPG, Chapel of Saint Fursey L129 - Lagny-sur-Marne - Ancien cloitre - Hotel de ville.JPG, Former abbey cloister, now municipal offices L125 - Lagny-sur-Marne - Hotel de Ville.JPG, Entrance to the municipal offices. L202 - Abbatiale Notre-Dame-des-Ardents et Saint-Pierre - Lagny sur Marne.JPG, Joan of Arc, statue outside apse


Notes


See also

*
Communes of the Seine-et-Marne department The following is a list of the 507 communes of the Seine-et-Marne department of France. The communes cooperate in the following intercommunalities (as of 2025):
*
List of Benedictine monasteries in France This is a list of Rule of Saint Benedict, Benedictine monasteries, extant and non-extant, in the present territory of France. It includes both monks and nuns following the Rule of Saint Benedict, excluding the Cistercians, for whom see List of Cis ...
{{Authority control Benedictine monasteries in France Christian monasteries established in the 7th century 7th-century establishments in Francia Monasteries dissolved during the French Revolution 1790 disestablishments in France 1790 disestablishments in Europe