Friedrich I Von Oberisar
Friedrich I was born about 0972 in Ober Isar, Bavaria.  He died after 1030.

 Hemma Von Ohningen
Hemma was born in Ohningen, Konstanz, Baden, Germany.  She died on October 16th, 1020.

 Fredrich II of Diessen
Fredrich II of was born in Diessen, Oberbayern, Bavaria.  He died about 1075.