Graf Friedrich I von Buren
Friedrich I was born in 0975.  He died at the age of 52 in 1027.

 Kunigunde von Ohringen
Kunigunde was born about 0973 in Öhringen, Konstanz, Baden.  She died about 1005.

 Pfaltzgraf Friedrich II von Buren
Friedrich II was born about 0997.  He died about 1070.