Joannes Leonard KNOOPS
- Father: Joannes Mathijs KNOOPS
- Mother: Maria Aldegonde PETERS
- Birth: 5 Nov 1880, Opoeteren
Ancestors of Joannes Leonard KNOOPS
/-Mathias KNOOPS
/-Lambert KNOOPS
| \-Aldegonde VANDERSTEGEN
/-Joannes Mathijs KNOOPS
| \-Maria Elisabeth MARTENS
Joannes Leonard KNOOPS
\-Maria Aldegonde PETERS