Complex sentence: Cornelis Tromp (1629 Rotterdam-1691 Amsterdam), son of Maerten Harpertszoon Tromp and of Dignom Cornelis de Haes, served as Commander in chief of the Dutch navy.
Split into simpler sentences: Cornelis Tromp (September 9,1629-May 29,1691) was the son of Maerten Harpertszoon Tromp and of Dignom Cornelis de Haes. He served as Commander in chief of the Dutch navy.