 Jan Sjoerd van den Berg, son of Sjoerd Douwes van den Berg and Janneke Gerritsma.Born 20 Jan 1884 Blauwhuis, died 23 Aug 1943 Blauwhuis, age 59 years, buried Blauwhuis Married 7 May 1910 Bolsward, age 26 years (married 8 years) to:  Lolkje van der Zee, age by marriage 25 years, daughter of Sybren Ridzert van der Zee and Aaltje Hendriks Pijler.Born 1 Mar 1885 Bolsward, died 24 Nov 1918 Tirns, age 33 years, buried Roodhuis Children: 1. Sjoerd Douwe van den BergBorn 7 Nov 1911 Tirns, died 27 Jun 1990 Blauwhuis, age 78 years, buried Blauwhuis 2. Ridsert Hendrik van den BergBorn 5 Jun 1915 Tirns, died 24 Sep 1978 Sneek, age 63 years, buried Blauwhuis | |||
| 2nd marriage Jan Sjoerd van den Berg, son of Sjoerd Douwes van den Berg and Janneke Gerritsma. Married 13 Jan 1920 Leeuwarden, age 35 years (married 23 years) to: Theodora Swarte, age by marriage 40 years, daughter of Joannes Hendericus Swarte and Wilhelmina Catharina van Oosten.Born 27 Jan 1879 Mensingawier, died 3 Aug 1949 Blauwhuis, age 70 years, buried Blauwhuis | |||