Ratpoto IV of Cham, b: - Cham, Bavaria






			^{Ratpoto IV of Cham}^{b. Cham, Oberpfalz, Bavaria d.1074}



	^{Ida of Austria}^{b.1055 Cham, Oberpfalz, Bavaria d.1101}



			^{Mathilde of Kastl}^{b. Kastl, Oberpfalz, Bavaria d.}