Giselbert I () (died 1014),
count of Roussillon (991–1013), was the son of
Gausfred I. His father divided his lands between his sons, giving
Ampurias to
Hugh I and
Roussillon
Roussillon ( , , ; , ; ) was a historical province of France that largely corresponded to the County of Roussillon and French Cerdagne, part of the County of Cerdagne of the former Principality of Catalonia. It is part of the region of ' ...
to Giselbert.
Though the patrimony was divided, both brothers continued to claim and annex territory belonging to the other and war was common, even among their descendants.
In 1014, Giselbert died. After his death Hugh I tried to reunify the counties and invaded the county of his nephew. It was not until 1020 that Hugh I was repelled and
Gausfred II, Giselbert I's son, definitively succeeded.
By marriage to Beliarda, he produced three sons:
*
Gausfred (died 1074), successor
*Sunifred (died 1031),
bishop of Elna
*Berengar (died 1053),
bishop of Elna
1013 deaths
Year of birth unknown
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