Derk Roelofsma
| Sex: | Male | |
| Father: | ||
| Mother: | ||
| Birth: | (< 1901) | |
| Death: | (?) | |
Family 1
| Spouse/Partner: | Francisca Mathilde Caroline van Swieten | b. (< 1901) d. (?) |
| Children: | ||
Anton Marie Jantinus Roelofsma
 |
b. (ca 1901) | |
| Sex: | Male | |
| Father: | ||
| Mother: | ||
| Birth: | (< 1901) | |
| Death: | (?) | |
| Spouse/Partner: | Francisca Mathilde Caroline van Swieten | b. (< 1901) d. (?) |
| Children: | ||
| Anton Marie Jantinus Roelofsma
|
b. (ca 1901) | |