His father was Jacques Philippe de Croÿ-Roeulx (1614–1685), a descendant of Jean III of Croy-Roeulx, son of Antoine le Grand. His mother was Johanna Catharina van Bronckhorst, daughter of Field Marshal Johann Jakob, Count of Bronckhorst and Anholt. He married Wilhelmina Juliana van den Bergh, daughter of Hendrik van den Bergh and 13 year older than himself. They had no children. He participated in the 1676 Battle of Lund on the Dano-Norwegian side.