- b.~ 1735 in Ostfriesland, Germany d.< 1787
- b.~ 1765 in Ostfriesland, Germany
- b.~ 1740 in Ostfriesland, Germany
- b.09 May 1794 in Rorichum, Ostfriesland, Germany d.17 Jul 1850 in Oldersum, Ostfriesland, Germany
- b.04 Aug 1764 in Ostfriesland, Germany
- b.06 Nov 1825 in Oldersum, Germany d.15 May 1877 in Grundy Co., IA
- b.1798 in Perkkum, Ostfriesland, Germany d.14 Mar 1889 in Ostfriesland, Germany
- b.1876
- b.17 May 1839 in Rorichum, Ostfriesland, Germany d.15 Mar 1921 in Geneva, IA