*Friedrich II Count of Diessen
born about 0998 Diessen, Oberbayern, Bavaria
died about 23 January 1075

father:
*Friedrich I Count of the Ober Isar
born about 0972 Ober Isar, Bavaria, Medieval States
died after 1030

mother:
*Hemma Countess of Öhningen
born about 0990 Öhningen, Konstanz, Baden
married about 1014 Öhningen, Konstanz, Baden

siblings:
Otto I Count of Diessen born about 1017 Diessen, Oberbayern, Bavaria died after 1060
*Berthold II Count of Diessen born about 1015 Diessen, Oberbayern, Bavaria died after 1060
Christine Countess of Diessen born about 1021 Diessen, Oberbayern, Bavaria
Pilihild Countess of Diessen born about 1023 Diessen, Oberbayern, Bavaria died 23 October 1075

spouse:
*Irmgarde Countess of Gilching
born 0998 <Oberbayern, Bavaria>

children:
*Haziga Countess of Diessen born 1042? Diessen, Oberbayern, Bavaria
died 17 October 1100
*Uta von Diessen born about 1028 died 1086
Luitgard Countess of Diessen born about 1058 Diessen, Oberbayern, Bavaria
died 25 September 1120
Arnulf Count of Diessen
Berthold I of Schwarzenberg

biographical and/or anecdotal:

notes or source:
LDS