 Sjoerd Kornelis Koopmans Married/ Related to: Children: 1.  Geertruida Koopmans, 19750Born 18 Dec 1845 Westhem, died 23 Aug 1933 Blauwhuis, age 87 years, buried Blauwhuis 2. Widmer Sjoerds KoopmansBorn 4 Sep 1848 Nijland, died 14 Jan 1905 Heeg, age 56 years, buried Blauwhuis | |||