Individual Details
Living
( - )
Families
| Father | George Matthiessen (1873 - 1960) |
| Mother | Adelphia "Delphia" Mundy (1873 - 1948) |
| Sibling | Glenn Matthiessen (1894 - 1942) |
| Sibling | Gladys Matthiessen (1899 - ) |
| Sibling | Gloria Matthiessen (1914 - 1985) |
( - )
| Father | George Matthiessen (1873 - 1960) |
| Mother | Adelphia "Delphia" Mundy (1873 - 1948) |
| Sibling | Glenn Matthiessen (1894 - 1942) |
| Sibling | Gladys Matthiessen (1899 - ) |
| Sibling | Gloria Matthiessen (1914 - 1985) |