Janssen
This page contains an index of all the individuals in the database with the surname of Janssen. Selecting the person's name will take you to that person's individual page.
| Name | Birth date |
|---|---|
| Frederik [I1702] | about 1710-00-00 |
This page contains an index of all the individuals in the database with the surname of Janssen. Selecting the person's name will take you to that person's individual page.
| Name | Birth date |
|---|---|
| Frederik [I1702] | about 1710-00-00 |