Arnould de Gavre was seigneur d’Escornaix. He would have been married to Jeanne Roye about 1355, and they were parents of a son Arnould born circa 1360.[1][2]
Arnould (the father) was a signing party to a treaty at Tournai in December 1385 and died in 1387.
Research notes
According to the published research in the Table d'ascendance he was the son of another Arnould de Gavre (fl 1332) and an unknown mother.