Jean d'Aytchaurrarena, son of Miguel d'Aytchaurrarena and Jeanne de Mispiracelhay, owners of the borde of Mispiracelhay in the Aldudes.
His godparents were Jean d'Aitchaurra, owner of Goscarat, paternal grandfather and Marie d'Ihabidia of Erratzu, owner of Mispiracelhay, maternal grandmother.