| Father | Johannes Wilhelmus Metsaars (1876 - 1942) |
| Mother | Adriana Maria van Boxel (1880 - 1941) |
| Sibling | Willem; Wilhelmus Cornelius Metsaars (1905 - 1974) |
| Sibling | Cees; Cornelis Eugenius Metsaars (1906 - 1980) |
| Sibling | Fons; Alphonsus Maria Metsaars (1907 - 1974) |
| Sibling | Frans; Cornelius Franciscus Metsaars (1909 - 1978) |
| Sibling | Adrianus Wilhelmus Metsaars (1912 - 1912) |
| Sibling | Jo; Joanna Josephina Metsaars (1913 - 1998) |
| Sibling | Engelina Maria Metsaars (1915 - 1920) |
| Sibling | Toon; Antonius Gerardus Metsaars (1916 - 2002) |
| Sibling | Janus; Adrianus Cornelis Metsaars (1920 - ) |
| Sibling | Mien; Wilhelmina Maria Metsaars (1922 - 1988) |
| Sibling | Helmus; Anselmus Joannes Metsaars (1924 - 1958) |