Ockeghem (or Okeghem or Ockenheim or Hoquegan), Jean d' (or Johannes) (c. 1421–c. 1497)

Flemish composer of church music. His works include the antiphon Alma Redemptoris Mater and the richly contrapuntal Missa Prolationum/Prolation Mass, employing complex canonic imitation in multiple parts at different levels. He was court composer to Charles VII, Louis XI, and Charles VIII of France.

He was a chorister at Antwerp Cathedral until 1444, was in the service of Charles, Duke of Bourbon at Moulins 1446–48, and in the service of the French court from about 1452, where he became the first maître de chapelle. Louis XI appointed him treasurer of Saint-Martin at Tours, where he lived during the latter part of his life, though he visited Spain in 1469.

Works Church and secular music ten Masses, including Ecce ancilla Domini, L'homme armé, and Mi-mi; motets; French chansons.