Isaac Rohrer, b: 1743 -


			^{Hans M. Rohrer}^{b.1663 St Marie-A-Min, France d.1688 Lancaster, Pennsylvania}

		^{Johannes Michael Rohrer}^b.1701 d.	^{Katherina Schwagler In}^{b.1667 d.1740}

	^{Isaac Rohrer}^{b.1743 d.1804}

		^{Elizabeth Snavely}^{b.1701 Holland d.1787 Lempeter T, Pennsylvania}

^John Rohrer^{b.1779 d.1865}			^Hans Groff^{b.1661 Baretswil, Switzerland d.1746 Earl, Pennsylvania}

		^{Marcus Groff}^{b.1712 Germantow, Pennsylvania d.1791 Earl, Pennsylvania}	^{Susanna Kendig}^{b.1678 Ittlingen, Germany d.1746 Earl, Pennsylvania}

	^{Elizabeth Groff}^{b.1751 Lampeter T, Pennsylvania d.1835 Lampeter T, Pennsylvania}		^Hans Huber^{b.1670 Oberkulm, Switzerland d.1750 Earl, Pennsylvania}

		^Anna Huber^{b.1712 Lancaster, Pennsylvania d.1744 Earl Twn, Pennsylvania}	^{Margaret Koch}^{b.1676 Switzerland, Erlangen d.1745 Earl, Pennsylvania}