Hemma of Altorf, b: -






^{Louis the German}^b.806 d.



		^{Rothard fra Argengau}^{b. d.}

	^{Welf I of Altorf}^{b. d.825}

^{Hemma of Altorf}^{b. d.}		^Isambart^{b. d.}

	^{Hedwig, Duchess of Bavaria}^b.778 d.