Family: Gerard John Siemonsma & Anastasia Cecilia Schwebach
m. 4 February 1948
 | Rink R. Siemonsma (1869- ) |
 | Minnie Kerkvliet (1874-1932) |
| Stella Mary Siemonsma (1898-1980) |
| Mary Siemonsma (1899-1968)  |
| Albert R. Siemonsma (1900-1961) |
| Theresia Siemonsma (1901-1902) |
| George Joseph Siemonsma (1903-1984) |
| Harry Francis Siemonsma (1904-1906) |
| Henry Siemonsma (1906-1961) |
| Elmer Siemonsma (1907-1961) |
| Frank Siemonsma (1908-1985) |
| Joseph Henry Siemonsma (1911-1972) |
| Theresa Siemonsma (1913-1963) |
| Phillip Schwebach (1882-1971) 
|
| Catherine Biren (1886-1959)
|
| Anna Mary Schwebach (1915-2005) |
| Michael Andrew Schwebach (1916-1983) |
| Agnes Anna Schwebach (1918-2014) |
| Mary Margaret Schwebach (1922-1982) |
| Raphael Valentine Schwebach (1924-2017) |
| James Nicholas Schwebach (1926-1926) |
| Philip M. Schwebach (1927-1928) |
| Herbert John Schwebach (1928-1928) |
| Norbert Joseph Schwebach (1928-1929) |
| Gerard John Siemonsma (1910-1987)
|
| Anastasia Cecilia Schwebach (1919-2006)
|
| Gerald Michael Siemonsma (1951-1983) |
| Jeffrey Paul Siemonsma (1961-1961) |