See also
| Husband: | Friedrich II + (1010-1075) | |
| Wife: | Hadamut + of EPPENSTEIN (1015- ) | |
| Children: | Haziga + of DIESSEN (1034-1104) | |
| Name: | Friedrich II + | |
| Sex: | Male | |
| Father: | Friedrich I + of ANDECHS (980-1030) | |
| Mother: | Hemma + of SCHWABEN (983-1030) | |
| Birth | 1010 | Diesen, Oberbayern, Bavaria |
| Occupation | Count of Diessen | |
| Title | Count of Diessen | |
| Death | 23 Jan 1075 (age 64-65) | St. Blaise |
Hadamut + of EPPENSTEIN
| Name: | Hadamut + of EPPENSTEIN | |
| Sex: | Female | |
| Father: | Friederich + (998-1065) | |
| Mother: | Christiana +of UPPER ISAR (1000- ) | |
| Birth | 1015 | Vils, Tirol, Austria |
| Occupation | Countess of Eppenstein | |
| Title | Countess of Eppenstein | |
Spouse: Hermann I +
Spouse: Otto I +
| Name: | Haziga + of DIESSEN | |
| Sex: | Female | |
| Spouse 1: | Hermann I + (1028-1056) | |
| Spouse 2: | Otto I + (1033-1072) | |
| Birth | 1034 | Diessen, Germany |
| Death | 1104 (age 69-70) | |
Frederick I of Regensburg (* 1030 , † 1075 in St. Blaise ) was Domvogt of Regensburg .
It is identical with Count Friedrich II of Dießen and is considered one of the earliest detectable representative of his line. His father was Count Frederick I († c. 1030), of the area and managed to Dießen Haching, his mother was Hemma, daughter of Kuno of Öhningen .
Frederick was married three times, first with Hadamut (1060), daughter of Eberhard of Eppenstein , then in his second marriage to Irmgard of Gilching and most recently with Tuta, heiress of Domvogtes Hartwig I von Regensburg.
In 1035 he was Domvogt of Regensburg and 1055 to Earl of Sempt . He died in 1075 as a lay monk in St. Blaise .