 Jacob de Boer, son of Rintje Johannes de Boer and Jitske Idzes Ettema.Born 22 Aug 1878 Bolsward, died 12 Feb 1931 Amsterdam, age 52 years, buried Amsterdam Married to:  Klaaske Rijpkema, daughter of Anne Rijpkema and Sjeeuwke Sj. Postma.Born 24 Sep 1876 St. Nicolaasga, died 21 Feb 1915 Amsterdam, age 38 years, buried Amsterdam | |||
| 2nd marriage Jacob de Boer, son of Rintje Johannes de Boer and Jitske Idzes Ettema. Married to: | |||