Rudolf II of Pfullendorf
Rudolf was born about 1115 in Pfullendorf, Konstanz, Baden.  He died in 1180.

 Wulfhild of Bavaria
Wulfhild was born in 1115 in Bavaria.  She died after 1156.

 Ita of Pfullendorf
Ita was born in 1139 in Pfullendorf, Konstanz, Baden.

 Elisabeth of Pfullendorf
Elisabeth was born about 1145.