Johannes Pfeifer, b: 1739



	^{Johannes Pfeifer}^{b.1739 Ulm, Germany d.1798 Pfeifer, Russia}

^{Heinrich Pfeifer}^{b.1770 Pfeifer, Russia d.1816 Pfeifer, Russia}			^{Hieronymus Jäger}^{c.1669 Ulm, Bayern, Germany d.}

		^{Joannes Jäger}^{c.1717 Ulm, Bayern, Germany d.}	^Maria^{b. d.}

	^{Catharina Jäger}^{b.1744 Ulm, Bayern, Germany d.1798 Pfeifer, Russia}

		^Maria^{b. d.}