Gerald I Trancaleon (died 1020) was the Count of Armagnac

Count of Armagnac

The following is a list of rulers of the county of Armagnac:-House of Armagnac:*William Count of Fézensac and Armagnac ?– 960*Bernard the Suspicious, First count privative of Armagnac 960– ?*Gerald I Trancaléon ? –1020*Bernard I Tumapaler 1020–1061...

 from 995 until his death. He was the son and successor of Bernard I

Bernard I of Armagnac

Bernard I , called the Suspicious, was the first Count of Armagnac.He was the second son of William Garcés of Fézensac. When William died in 960, he divided his county up, giving Fézensac to his eldest son Odo, Armagnac to Bernard, and Gause to the youngest son Fredelon.For his many sins, Bernard...

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He married Adalais, daughter of William V of Aquitaine

William V of Aquitaine

William V , called the Great , was Duke of Aquitaine and Count of Poitou from 990 until his death. He was the son and successor of William IV by his wife Emma of Blois, daughter of Theobald I of Blois. He seems to have taken after his formidable mother, who ruled Aquitaine as regent until 1004...

 and his second wife Prisca, heiress of Gascony

Gascony

Gascony is an area of southwest France that was part of the "Province of Guyenne and Gascony" prior to the French Revolution. The region is vaguely defined and the distinction between Guyenne and Gascony is unclear; sometimes they are considered to overlap, and sometimes Gascony is considered a...

. He had a daughter, Galdis, who inherited the viscounty of Corneilhas and married Adhemar of Polestron. He also had a son, Bernard, who succeeded him in Armagnac and later received Gascony through his grandmother.

Sources

• Monlezun, Jean Justin. Histoire de la Gascogne. 1846.