Wilhelm or William Hagerhoff, b: -

^{1775 - 1783 Revolutionary War}
^{1776 Declaration of Independence}
^{1789 George Washington first president}
^{1803 Louisiana Territory Purchased}
^{1805 Lewis and Clark reach Pacific}

^{1720 Texas becomes Spanish possession}
^{1735 Freedom of press established}
^{1740 Colony population = 1.5 million}
^{1754 - 1763 Anglo-French War}
^{1773 Boston Tea Party tax rebellion}

^{1620 Pilgrims to America on Mayflower}
^{1638 Printing press reaches America}
^{1664 English capture/rename New York}
^{1681 La Salle explores Louisiana}
^{1700 American colonies prosper}


		^{Arnold Rittinghausen}^{b. d.}

	^{Jacob Rittinghausen}^{b. d.}

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

		^{Wilhelm or William Hagerhoff}^{b. d.}	^Elsa^{b. d.}

	^{Maria Hagerhoff}^{b.1617 Westfalen, Germany d.}

		^Barbara^{b. d.}