- Vassal of King João I of Portugal.
- Remained faithful to the master of Avis, future João I, during the dynastic struggle of 1383-1385.
- Governor of the castle of Gaia, entrusted to him by Count Gonçalo, the brother of Queen Leonor Teles, who also remained loyal to the master of Avis. [João1, ch.173]
Airas Gonçalvez de Figueiredo