 Jan Sybrens de Boer, son of Sybren Clases de Boer and Dutje Sipkes Dijkstra.Born 10 Feb 1873 Witmarsum, died 3 Oct 1943 Witmarsum, age 70 years Married to:  Trijntje Tadema, daughter of Piebe Oenes Tadema and Antje Houben.Born 4 Apr 1881 Bolsward, died 1964, age 82 or 83 years Children: 1. Sybren de BoerBorn 1 Aug 1911 Witmarsum, died 24 May 1963, age 51 years, buried 28 May 1963 Witmarsum 2. Duttje "Dora" de BoerBorn 24 Feb 1914 Witmarsum, died 11 Sep 1997 Leeuwarden, age 83 years, buried Witmarsum | |||