Individual Details
Living
( - )
Families
| Spouse | Living |
| Spouse | Arthur Gerster (1911 - 1989) |
| Child | Living |
| Father | Robert Armour Jaap (1872 - 1950) |
| Mother | Alice Aldridge (1873 - 1953) |
| Sibling | George Jaap ( - ) |
| Sibling | William A. Jaap (1899 - 1983) |
| Sibling | Walter Jaap (1901 - 1965) |
| Sibling | Margaret Page Jaap (1904 - 1981) |
| Sibling | Robert Armour Jaap (1909 - 1977) |
| Sibling | Living |