Arnold I García (died 960) was the first Count of Astarac from 926.

Arnold was the youngest son of García II Sánchez of Gascony

García II Sánchez of Gascony

García II Sánchez , called the Bent, was the duke of Gascony from sometime before 887 to his death....

 and Amuna. When García died, his duchy was divided between his heirs. The eldest Sancho inherited Gascony itself, while the second, William

William Garcés of Fézensac

William García was a Count of Fézensac. He was the second son of García II of Gascony and Amuna....

, inherited Fézensac. Arnold inherited Astarac, between Fézensac and Bigorre

Bigorre

Bigorre is region in southwest France, historically an independent county and later a French province, located in the upper watershed of the Adour, on the northern slopes of the Pyrenees, part of the larger region known as Gascony...

, comprising Pardiac and Magnoac. Arnold was succeeded by his son García.

The chief sources of his reign are the Cartulary of Auch and the Codex of Roda

Roda Codex

The Roda Codex is a medieval manuscript which represents a unique source for details of the 9th century Kingdom of Navarre and neighbouring principalities, now Madrid, Real Academia de la Historia, cód...

.

Sources

• Collins, Roger. The Basques. Blackwell Publishing: London, 1990.
• Sedycias, João. História da Língua Espanhola.
• Foundation for Medieval Genealogy: Gascony.
• Lewis, Archibald R. The Development of Southern French and Catalan Society, 718–1050. University of Texas Press: Austin, 1965.