Marius Janssen
| Sex: | Male | |
| Father: | ||
| Mother: | ||
| Birth: | Bef 1863 | |
| Death: | (?) | |
| Notes: | UITZOEKEN: Wordt in de gegevens van Marten Ritsma "Marcus" genoemd. | |
Family 1
| Spouse/Partner: | Eelkje Bruining | b. Bef 1863 d. (?) |
| Children: | ||
Johannes Antonius Janssen
 |
b. 8 Feb 1863 d. 1 Dec 1936 | |