Lambert I (died 836) was the Count of Nantes and

Prefect Prefect (from the Latin ''praefectus'', substantive adjectival form of ''praeficere'': "put in front", meaning in charge) is a magisterial title of varying definition, but essentially refers to the leader of an administrative area. A prefect's ...

of the

Breton March The Marches of Neustria (french: Marches de Neustrie; br, Marz Neustria; Norman: ''Maurches de Neûtrie'') were two marches created in 861 by the Carolingian king of West Francia Charles the Bald. They were ruled by officials appointed by the Mon ...

between 818 and 831 and

Duke of Spoleto The Duke of Spoleto was the ruler of Spoleto and most of central Italy outside the Papal States during the Early and High Middle Ages (c. 500 – 1300). The first dukes were appointed by the Lombard king, but they were independent in practice. Th ...

between 834 and 836. Lambert succeeded his father Guy. Lambert participated in an expedition undertaken by

Louis the Pious Louis the Pious (german: Ludwig der Fromme; french: Louis le Pieux; 16 April 778 – 20 June 840), also called the Fair, and the Debonaire, was King of the Franks and co-emperor with his father, Charlemagne, from 813. He was also King of Aqui ...

in 818 against the

Bretons The Bretons (; br, Bretoned or ''Vretoned,'' ) are a Celtic ethnic group native to Brittany. They trace much of their heritage to groups of Brittonic speakers who emigrated from southwestern Great Britain, particularly Cornwall and Devon, mo ...

, who had proclaimed Morvan Lez-Breizh their king. In 822, a new Breton chief Wiomarc'h rebelled, but submitted in May 825 at

Aachen Aachen ( ; ; Aachen dialect: ''Oche'' ; French and traditional English: Aix-la-Chapelle; or ''Aquisgranum''; nl, Aken ; Polish: Akwizgran) is, with around 249,000 inhabitants, the 13th-largest city in North Rhine-Westphalia, and the 28th ...

. On his return to Brittany, Lambert had him assassinated. In 831, Lambert joined the rebellion of

Lothair I Lothair I or Lothar I ( Dutch and Medieval Latin: ''Lotharius''; German: ''Lothar''; French: ''Lothaire''; Italian: ''Lotario'') (795 – 29 September 855) was emperor (817–855, co-ruling with his father until 840), and the governor of B ...

against Louis and was exiled across the

Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, Swi ...

,''The Carolingian Kingdoms(840-877)'', Rene Poupardin, ''The Cambridge Medieval History: Germany and the Western Empire'', Vol. 3, Ed.

J. B. Bury John Bagnell Bury (; 16 October 1861 – 1 June 1927) was an Anglo-Irish historian, classical scholar, Medieval Roman historian and philologist. He objected to the label "Byzantinist" explicitly in the preface to the 1889 edition of his '' ...

, (MacMillan Company, 1922), 47. where he was given the

Duchy of Spoleto The Duchy of Spoleto (, ) was a Lombard territory founded about 570 in central Italy by the Lombard ''dux'' Faroald. Its capital was the city of Spoleto. Lombards The Lombards had invaded Italy in 568 AD and conquered much of it, establishin ...

in 834. He was one of many among Lothair's entourage to die in an epidemic of 836. Lambert married firstly Itta, who bore his eventual successor in Nantes, Lambert II. Subsequently, he married Adelaide of Lombardy, the eldest daughter of

Pepin of Italy Pepin or Pippin (or ''Pepin Carloman'', ''Pepinno'', April 777 – 8 July 810), born Carloman, was the son of Charlemagne and King of the Lombards (781–810) under the authority of his father. Pepin was the second son of Charlemagne by his th ...

, who was in turn the eldest son of

Charlemagne Charlemagne ( , ) or Charles the Great ( la, Carolus Magnus; german: Karl der Große; 2 April 747 – 28 January 814), a member of the Carolingian dynasty, was King of the Franks from 768, King of the Lombards from 774, and the first E ...

that had children. Adelaide bore him another son, Guy, who would succeed him in the duchy of Spoleto. Guy's son Guy III of Spoleto was crowned emperor.

References

836 deaths 9th-century dukes of Spoleto Counts of Nantes Guideschi dynasty Nobility of the Carolingian Empire Year of birth unknown {{France-noble-stub