Wilhelm or Willem Rittinghausen or Rittinghuysen, b: 1644

^{1789 George Washington first president}
^{1803 Louisiana Territory Purchased}
^{1805 Lewis and Clark reach Pacific}
^{1812 - 1814 War of 1812 with Britain}
^{1846 War w/Mexico,Calif & NM acquired}

^{1740 Colony population = 1.5 million}
^{1754 - 1763 Anglo-French War}
^{1773 Boston Tea Party tax rebellion}
^{1775 - 1783 Revolutionary War}
^{1776 Declaration of Independence}

^{1664 English capture/rename New York}
^{1681 La Salle explores Louisiana}
^{1700 American colonies prosper}
^{1720 Texas becomes Spanish possession}
^{1735 Freedom of press established}


			^{Wilhelm Rittinghausen or Rittinghuy}^{b.1644 Mulheim (Broich), Germany d.1708 Germantown, Pennsylvania}

		^{Gerhard Rittenhouse or Rittinghause}^{b.1670 Broich-in-Mulheim on the R d.1743 Philadelphia, Pennsylvania}	^{Geertruid Kersten Pieters}^{b.1646 Erbeck, Netherlands d.1708 Germantown, Pennsylvania}

	^{William Umstat Rittenhouse}^{b.1694 Creesham, Pennsylvania d.1767 Amwell, New Jersey}		^{Hans Peter Umstatt}^{b. of Krefeld, Germany d.}

		^{Anna Margaret Umstatt}^{b.1672 Krefeld, Germany d.1696}	^Barbara^{b. d.}

^{William Rittenhouse}^{b.1720 Delaware Twps, New Jersey d.1799}			^{Thomas Howell}^{b. d.1687 Cooper's Creek, New Jersey}

		^{Daniel Howell}^{b.1660, England d.1739 Solebury Town, Pennsylvania}	^Katherine^{b. d.1695 Philadelphia, Pennsylvania}

	^{Catherine Lakin Howell}^{b. d.}		^Lakin(g)^{b. d.}

		^{Hannah Lakin(g)}^{b. d.}