Complex sentence: Gilles de Roye (or Egidius de Roya) (died 1478), Flemish chronicler, was born probably at Montdidier, and became a Cistercian monk.
Split into simpler sentences: Gilles de Roye (or Egidius de Roya) (died 1478) was a Flemish chronicler. He was probably born at Montdidier, and became a Cistercian monk.