Lumbertus van der Schaaff
| Aka: | Bertis James | |
| Sex: | Male | |
| Father: | Jan Jans van der Schaaff | |
| Mother: | Jennetje Ruurds de Jong | |
| Birth: | 19 Oct 1834 | Dokkum, FR, NL |
| Death: | 24 Apr 1836 | Dokkum, FR, NL |
| Aka: | Bertis James | |
| Sex: | Male | |
| Father: | Jan Jans van der Schaaff | |
| Mother: | Jennetje Ruurds de Jong | |
| Birth: | 19 Oct 1834 | Dokkum, FR, NL |
| Death: | 24 Apr 1836 | Dokkum, FR, NL |