Complex sentence: Saenredam was the son of the print maker and draughtsman Jan Pietersz Saenredam (1565-1607), who was born in Zaandam or, in those days, "Saenredam".
Split into simpler sentences: Saenredam was the son of the print maker and draughtsman Jan Pietersz Saenredam (1565-1607). Pieter was born in Zaandam or, in those days, "Saenredam".