Also referred to as Friedrich VON BURG-LENGENFELD.
Research Notes:
The primary source which confirms his parentage has not yet been identified. Friedrich was the son of Heinrich Graf an der Pegnitz according to Wegener, although he cites no primary source to support the suggestion. 1
Marriage Information:
Friedrich married Sigena VON LEIGE, heiress of Morungen & Gatersleben, daughter of Goswin "der Ältere" VON GROSS-LEINUNGEN, about 1050. (Sigena VON LEIGE died on 24 Feb 1109/10 in Kloster Vitzenburg.)