Dirk Willem KUIPER (RIN: 6251) was born 08 April 1899 in Siddeburen, Slochteren, Groningen, Netherlands. He married Annechien Aaltje BRONS 1932 in Groningen, Groningen, Netherlands. He died 22 October 1984 in Zeist, Zeist, Utrecht, Netherlands. Annechien Aaltje BRONS (RIN: 4846), daughter of Derk BRONS and Augustina C. KLUGKIST , was born 01 June 1908 in Wangenborgen, Netherlands. She died 30 April 1983 in Groningen, Groningen, Netherlands.