Gerardus Koolhoven (1876- ) |
Johanna Hendrika Diederiks (1875- ) |
Gerardus Koolhoven (1903- ) |
Johan Koolhoven (1907-1909) |
Jacomina Petronella Koolhoven (1909- ) |
Johanna Hendrika Koolhoven (1911- ) |
Pieter Koolhoven (1913- ) |
Cornelis Pieter Visser (1875-1960) |
Johanna Catharina Magdalena Webber (1875-1942) |
Cornelis Pieter Visser (1897- ) |
Catharina Oberdina Visser (1906-1909) |
Hendrik Johannes Visser (1909- ) |
Willem Koolhoven (1901- ) |
Johanna Catharina Magdalena Visser (1899-1952) |