Johannes Ockeghem probably studied with Gilles Binchois, and was at least closely associated with him at the Burgundian court. A Russian-language biography of Ockeghem likewise states that he probably studied under Binchois and was closely connected with him.
Gilles Binchois → Johannes Ockeghem
People in this connection
Gilles Binchois
teacher
Johannes Ockeghem
student