 Jan Teernstra, son of Jurjen Teernstra and Akke van der Werf.Born 22 Jul 1904 Balk, died 6 Dec 1961 Balk, age 57 years, buried Balk Married 22 Aug 1934 Doniawerstal, age 30 years (married 27 years) to:  Sjoeke Groenendal, age by marriage 25 years, daughter of Reinder Jacobus Groenendal and Akke Rijpkema.Born 30 Mar 1909 St. Nicolaasga, died 13 Sep 1996 Balk, age 87 years, buried Balk | |||