High Quality Content by WIKIPEDIA articles! Alain I of Albret (1440-1522), called "The Great", was a powerful French aristocrat. He was 16th Lord of Albret, Viscount of Tartas, the 2nd Count of Graves, and the Count of Castres. He was the son of Catherine de Rohan and Jean I of Albret. He was the grandson and heir of Charles II of Albret, and became head of the House of Albret in 1471.