 Margaretha Joanna Maria Hefftrich Married to:  Petrus Josephus Adema, son of Sybrandus Adrianus Adema and Anna Catharina Nagtheim.Born 19 Mar 1828 Leeuwarden, died 24 Apr 1919 Amsterdam, age 91 years, buried Buitenveldert, 1st marriage to: Maria Elisabeth Korteman, 2nd marriage to: Margaretha Joanna Maria Hefftrich Children: 1. Sybrandus Petrus Henricus AdemaBorn 26 Mar 1860 Leeuwarden, died 20 Jun 1926 Amsterdam, age 66 years, buried Amsterdam 2. Joseph Sybrandus Petrus Maria AdemaBorn 11 Feb 1877 Amsterdam, died 24 Jan 1943 Amsterdam, age 65 years, buried Buitenveldert | |||