The Boncompagni is an Italian noble family from
Assisi
Assisi (, also , ; from la, Asisium) is a town and ''comune'' of Italy in the Province of Perugia in the Umbria Regions of Italy, region, on the western flank of Monte Subasio.
It is generally regarded as the birthplace of the Latin poet Prope ...

.
History
The family was documented for the first time in 1133, when one Rodolfo Boncompagni, descendant of
Saxon
The Saxons ( la, Saxones, german: Sachsen, ang, Seaxan, osx, Sahson, nds, Sassen, nl, Saksen) were a group of early Germanic
Germanic may refer to:
* Germanic peoples, an ethno-linguistic group identified by their use of the Germanic languag ...

nobles, was appointed by
Lothair II
Lothair II (835 – ) was the king of Lotharingia
Lotharingia (Latin: ''regnum Lotharii, regnum Lothariense, Lotharingia'', French: ''Lotharingie'', German: ''Reich des Lothar'', ''Lotharingien'', ''Mittelreich'') was a short-lived medieval s ...

as lord of Assisi. In the early 14th century the family moved from
Umbria
Umbria ( , ) is a of central . It includes Lake and , and is crossed by the River . It is the only landlocked region on the . The regional capital is .
The region is characterized by hills, mountains, valleys and historical towns such as the un ...

to
Bologna
Bologna (, , ; egl, label=, Bulåggna ; lat, Bonōnia) is the capital and largest city of the region in . It is the seventh most populous city in Italy with about 390,000 inhabitants and 150 different nationalities. Its is home to more t ...

, where they gradually increased their wealth and influence.
In 1572 Ugo Boncompagni, a professor of law in the
University of Bologna
The University of Bologna ( it, Alma mater studiorum - Università di Bologna, UNIBO) is a research university in Bologna, Italy. Founded in 1088 by an organised guild of students (hence ''studiorum''), it is the List of oldest universities in con ...
and a Cardinal, became pope as
Gregory XIII
Pope Gregory XIII ( la, Gregorius XIII; 7 January 1502 – 10 April 1585), born Ugo Boncompagni, was head of the Catholic Church
The Catholic Church, often referred to as the Roman Catholic Church, is the List of Christian denominations by ...

. For his son
Giacomo Boncompagni
Giacomo Boncompagni (also ''Jacopo Boncompagni''; 8 May 1548 – 18 August 1612) was an Italian feudal lord of the 16th century, the illegitimate son of Pope Gregory XIII (Ugo Boncompagni). He was also Duke of Sora, Aquino, Italy, Aquino, Arce, Ita ...

, he acquired the
Duchy of Sora
The Duchy of Sora was a semi-independent state in Italy, created in 1443 by King Alfonso I of Naples and dissolved in 1796. It occupied the south-eastern part of what is today Lazio
it, Laziale
, population_note =
, population_blank ...
from
Francesco Maria II della Rovere
Francesco Maria II della Rovere (20 February 1549 – 23 April 1631) was the last Duke of Urbino.
Biography
Born at Pesaro
Pesaro () is a city and ''comune
The (; plural: ) is a basic Administrative division, constituent entity of I ...
, which thenceforth became a family possession. The family also included five other cardinals in the 17th and 18th centuries.
Gregorio II BoncompagniGregorio II Boncompagni (7 July 1642 – 1 January 1707) was an Italian nobility, Italian nobleman and the 5th Duchy of Sora, Duke of Sora. He was the grand-nephew of Pope Gregory XIII
He married Giustina Gallio (29 October 1644 – 21 July 1679) an ...
was
lord of Piombino
The Lordship of Piombino (''Signoria di Piombino''), and after 1594 the Principality of Piombino (''Principato di Piombino''), was a small state on the Italian peninsula centred on the city of Piombino and including part of the island of Elba. It e ...
from 1706–1707.
The family later merged with the
Ludovisi family. The 19th century mathematician
Baldassarre BoncompagniImage:Baldassarre Boncompagni.png, Baldassarre Boncompagni
Prince Baldassarre Boncompagni-Ludovisi (10 May 1821 – 13 April 1894), was an Italians, Italian historian of mathematics and aristocrat.
Biography
Boncompagni was born in Rome, into an ...

-Ludovisi was a member of the family.
Sources
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