 Fedde Harmen van der Werf, son of Harmen Fedde van der Werf and Marijke Jozefs Siemonsma.Born 8 Apr 1899 Sandfirden, died 19 Nov 1979 Sneek, age 80 years, buried 22 Nov 1979 Roodhuis Married 30 Apr 1925 Hennaarderadeel, age 26 years (married 35 years) to:  Tjitske Maria Flapper, age by marriage 26 years, daughter of Jitte Dominicus Flapper and Fetje Everts Ypma.Born 8 Sep 1898 Hidaard, died 11 Feb 1961 Sneek, age 62 years, buried Roodhuis Children: 1. Jozeph Theodorus "Joop" van der WerfBorn 8 Aug 1929 Hidaard, died 4 Nov 2003 Heerenveen, age 74 years, buried Wolvega 2. Dominicus Evert van der WerfBorn 14 Nov 1930 Tjalhuizum, died 4 Jun 1988 Heerenveen, age 57 years, buried Heerenveen 3. Maria Catharina van der WerfBorn 28 Feb 1934 Wymbritseradeel, died 27 Sep 2021 Deventer, age 87 years, buried Roodhuis | |||
| 2nd marriage Fedde Harmen van der Werf, son of Harmen Fedde van der Werf and Marijke Jozefs Siemonsma. Married 23 Nov 1964, age 65 years (married 7 years) to: Dorothea Maria "Dora" Elfring, age by marriage 69 years, daughter of Hermann Elfring and Tobina Anna Geessina Pas.Born 3 Jul 1895 Nieuwe Pekela, died 27 Jun 1972 Sneek, age 76 years, buried Heerenveen, 1st marriage to: Gerhardus Josephus Witteveen, 2nd marriage to: Fedde Harmen van der Werf | |||