Nielsen Hayden genealogy
Descendants of Goswin
Goswin
   └─ Sigena ( - Between 1110 and 1123)
    Friedrich I von Burglengenfeld ( - Aft 1050)
       └─ (Unknown) von Burglengenfeld
        Ruotger
            + Heilika of Swabia (1087 - Aft 1110)