| Country (sports) |  Belgium |
|---|---|
| Born | 1899 |
Marie Janssen (born 1899, date of death unknown) was a Belgian tennis player. She competed in the women's singles event at the 1924 Summer Olympics.[1]
- ^ "Marie Janssen". Olympedia. Retrieved 12 July 2020.
| Country (sports) | Belgium |
|---|---|
| Born | 1899 |
Marie Janssen (born 1899, date of death unknown) was a Belgian tennis player. She competed in the women's singles event at the 1924 Summer Olympics.[1]