Otto I von WIttlesbach
Otto I was born about 1086 in Bavaria.  He died on April 8th, 1156.

 Helika of Burg-Lengenfeld
Helika of was born about 1091 in Legenfield.  She died on September 13th, 1170.

 Otto II von Wittlesbach
Otto II was born about 1120 in Kelheim, Niederbayern, Bavaria.  He died on July 11th, 1183.  He was buried on November 7th, 1183.

 Heilike von Wittlesbach
Heilike was born about 1122.

 Konrad von Wittlesbach
Konrad was born about 1123.  He died in 1200.

 Hedwig von Wittlesbach
Hedwig was born about 1125 in Bavaria.  She died before 1151.