Anna (Anni) Anke Mena de Vries was born May 9, 1909 to Lena Klover and Boelke de Vries. She was one of nine children born 1901 through 1918. She married Ewart Martens and they had five children:
- Ewaldine, 1945, married Ottmar Timmer; had an enormous dairy farm with many cattle.
- Bernhard, 1938, married Harmine (Mine) Fecht
- Grete, 1932, married Gerhard Rabenberg, no children, large dairy farm
- Leni (Lena), 1934, married Hermann Heins (or Heinz)
- Evert, 1936, married Alma Broers
The family tree shows a sister Anna Margareta de Vries, born and died in 1908.
Anna passed away October 18, 1963.