 Anna Christina KoetsBorn 29 Oct 1875 Groningen, died 9 Sep 1960 Zwolle, age 84 years, buried Dokkum Married to:  Hermanus Hendricus Gzn. Vollmer, son of Gerardus Hendericus Vollmer and Maria Cornelis Theresia Wüst.Born 22 Oct 1867 Dokkum, died 26 Aug 1932, age 64 years, buried Dokkum | |||