1 LEFORGE¹, John Sr. born about 1635
  2 LEFORGE, John II about born about 1660 died Piscataway, Middlesex County NJ
    3 LEFORGE, John III born about 1685 died Piscataway, Middlesex County NJ
    +?, Frances born ?; died October 03, 1751 Piscataway, Middlesex County NJ
      4 LEFORGE, Isaac born about 1706
      4 LEFORGE, David born about 1708 Piscataway, Middlesex County NJ; died May 17, 1787 Piscataway, Middlesex County NJ
      +DRAKE, Catherine died December 04, 1790 Piscataway, Middlesex County NJ
      4 LEFORGE, Nicholas born about 1710; died June 12, 1759 Piscataway, Middlesex County NJ
      4 LEFORGE, John IV born about 1712; died March 03, 1748/49 Piscataway, Middlesex County NJ
        +?, Sarah
      4 LEFORGE, Abraham Sr. born about 1714 in Piscataway, Middlesex County NJ
Source:
1. Schwankhaus, Frederick Steven familytreemaker