The 18-year-old, who never made a first-team appearance for the Eredivisie side, has signed a three-year deal with the club and will link up with the Under-23 squad.
He spent time on loan at ADO Den Haag last season, scoring two goals and supplying one assist in 22 appearances across all competitions.
📰 #LUFC are pleased to announce the signing of winger Crysencio Summerville from Feyenoord
— Leeds United (@LUFC) September 16, 2020