Familie: Thomas Anthony Harwig / Mathilda Johanna Oldenburg (F249)
g. 12 maj 1884 | Frederick Daniel Emanuel Oldenburg (1860-1939) |
 | Marie Elizabeth Brandt (1873-1944) 
|
Christina Hansina Oldenburg (1894-1967)  |
| John Christian Oldenburg (1897-1983) |
| Emma Amelia Oldenburg (1900-1988) |
| Mathilda Johanna Oldenburg (1892-1980)
|
| Thomas Anthony Harwig (1884-1954) |
| Rosamund Harwig (1913-2009) |
| Paul T Harwig (1915-2005) |
| Albert Frederick Harwig (1921- ) |