Other names: Hasprois (PMFC), Hasprois, Johannes Symonis [Jehan Simon] (Grove, MGG), Johannes Simon Hasprois (Apel), Jo. Simonis de Haspre (Ch), de Aspre, Asproys, Haprose
A native of Arras, this French composer was at the Portuguese royal court in 1378, in the service of Charles V of France in 1380, worked as `petit vicaire' in Cambrai in 1384, and was in the papal chapel in Avignon from 1393-1403.