Aymeric was the son of Oger I de Montlezun but his mother is unknown. The date and place of his birth have not been found.
Aymeric de Pardiac
Oger I de Montlezun (c1045->1088)
Bernard d'Astarac (c1015-?)
Arnaud II d'Astarac (c0960-1022/23)
Atalese (c0975-?)