1888 - 1961 (73 Jahre)
| Friedrich A l f r e d Kestermann 1888-1961 |
| Friedrich A l f r e d Kestermann | |
| *: | 10 Feb 1888 |
| D-Wattenscheid | |
| +: | 25 Apr 1961 |
| D-Koeln-Kalk | |
Gertrude Wilhelmina Siepmann 1900-1991 |
| Gertrude Wilhelmina Siepmann | |
| *: | 10 Jun 1900 |
| D-Bochum | |
| oo: | 9 Jun 1922 |
| D-Bochum | |
| +: | 5 Dez 1991 |
| D-Bochum | |
