Family: Robert Thirsk / Pearl Maybel Gerber (F1548)
 | Edgar Ralph Gerber (1898-1962) 
|
Alma Albertina Zabel (1898-1983) |
 | Kenneth Edgar Gerber (1921-2010)  |
| Virgil Merle Gerber (1922-1990) |
| Pearl Maybel Gerber (1918-1994)
|
| Edgar Ralph Gerber (1898-1962)
|
| Alma Albertina Zabel (1898-1983) |
| Kenneth Edgar Gerber (1921-2010) |
| Virgil Merle Gerber (1922-1990) |
| Pearl Maybel Gerber (1918-1994)
|