- Father [Adoptive]: Heero LEEFOGE
- Mother [Adoptive]: Lamberta Maria COOLEN
- Birth: 30 Dec 1896, Rotterdam, Zuid-Holland, Nederland
- Naming : (Date and Place unknown)
- Immigration: 7 Jul 1950, Hoboken, New Jersey, USA
- Death: 10 Sep 1975, East Orange, New Jersey, USA
Ancestors of Johanna Maria LEEFOGE
/-Heero LEEFOGE [Adoptive]
Johanna Maria LEEFOGE
\-Lamberta Maria COOLEN [Adoptive]
Descendants of Johanna Maria LEEFOGE
1 Johanna Maria LEEFOGE
=Johannes Alexander KNOOP de Marriage: 6 Jul 1927, Rotterdam, Zuid-Holland, Nederland
2 Alexander Johannes KNOOP de
=Catharina Johanna LODEWIJKX Marriage: 26 Feb 1955, Passaic, New Jersey, USA
3 Catharina Johanna KNOOP de
=David Kenneth SCHLAVER Marriage: 6 Jun 1992, Hartford, Wisconsin, USA
3 Ellen Joy KNOOP de