 Geertruida Wiersma, daughter of Watze Jans Wiersma and Elisabeth Reins Hettinga.Born 27 May 1867 Tirns, died 5 Mar 1945 s-Gravenhage, age 77 years, buried s-Gravenhage Married 8 May 1897, age 29 years (married 41 years) to:  Johannes van der Werf, age by marriage 25 years, son of Johannes Feddes van der Werf and Anna Harings Romkes.Born 3 May 1872 Heerenveen, died 24 Feb 1939 Rotterdam, age 66 years, buried Amsterdam, 1st marriage to: Sipkje Herres Rijpkema, 2nd marriage to: Geertruida Wiersma Children: 1. Sipkje Maria van der WerfBorn 26 Feb 1898 St.Nicolaasga, died 6 Sep 1914 Amsterdam, age 16 years, buried Amsterdam 2. Elisabeth Maria van der WerfBorn 20 Jul 1899 Doniaga, died 11 Oct 1899 Doniaga, age under 1 year old, buried 14 Oct 1899 St. Nicolaasga 3. Watze Josef van der WerfBorn 6 Jun 1902 Doniaga, died 10 May 1980 Coevorden, age 77 years, buried Coevorden | |||