Jan Markus1783–
- Name
- Jan Markus
| Birth | estimated as equal to wife's birth year about 1783 |
| Birth of a son #1 | Wilm Markus about 1808 (Age 25 years) |
| Birth of a son #2 | Wilm Markus about 1809 (Age 26 years) |
| Marriage of a child | Wilm Markus — Cornelia Dullemond — View this family November 20, 1833 (Age 50 years) |
| Marriage of a child | Wilm Markus — Hendrika Dullemond — View this family February 22, 1845 (Age 62 years) |
| Family with Katrina Wiedou |
| himself |
Jan Markus Birth: estimated as equal to wife's birth year — about 1783 |
| wife |
Katrina Wiedou Birth: estimated a gap of 25 years — about 1783 |
| son |
Wilm Markus Birth: about 1808 25 25 — Amsterdam, Noord-Holland, The Netherlands |