Maria Posthuma
| Sex: | Female | |
| Father: | Jan Frederik Posthuma | |
| Mother: | Freerkje Jans van der Schaaff | |
| Birth: | 3 Oct 1829 | Dokkum, FR, NL |
| Death: | 7 May 1906 | Groningen, GR, NL |
Family 1
| Spouse/Partner: | Petrus Julius Damste | b. (?) d. (?) |
| Civil: | (?) |
| Sex: | Female | |
| Father: | Jan Frederik Posthuma | |
| Mother: | Freerkje Jans van der Schaaff | |
| Birth: | 3 Oct 1829 | Dokkum, FR, NL |
| Death: | 7 May 1906 | Groningen, GR, NL |
| Spouse/Partner: | Petrus Julius Damste | b. (?) d. (?) |
| Civil: | (?) |