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Birth:          1005 of Diessen, Oberbayern, Bavaria
Death:          23 Jan 1075 
Burial:         St. Blasien

Notes
Advocate of Regensburg Cathedral
https://en.wikipedia.org/wiki/Frederick_II,_Count_of_Diessen
Frederick II of Dießen (also known as Frederick I of Regensburg; 1005 – 1075) was a 
German nobleman. He is documented as bailiff (Vogt) of the Regensburg cathedral 
chapter in 1035. He is one of the earliest known ancestors of the Counts of Andechs.

Life[edit]
His father was Count Frederick of Dießen (d. c.?1030), a relative of the legendary 
Bavarian count Rasso (d. 954), who administered the area around Dießen and 
Haching. His mother was Hemma, a daughter of Duke Conrad I of Swabia.

He became Domvogt of Regensburg in 1035. In 1055, he became Count in the Sempt 
area.

He died in 1075, as a lay brother in the Sankt Blasien Abbey in the Black Forest.

Marriages and issue[edit]
Frederick married three times:

Hadamut (d. 1060), a daughter of Eberhard of Eppenstein. Together, they had one 
daughter:
Haziga (c.?1040 – 1 August 1104), also known as Hadegunde, married Herman of 
Kastl and secondly Otto I, Count of Scheyern
Irmgard of Gilching. Together, they had the following children:
Uta, married Kuno of Rott, Count palatine of Bavaria
Arnold (d. after 1091), succeeded his father as Count of Dießen
Frederick, succeeded as Vogt of the cathedral chapter of Regensburg
Meinhard (d. after 1070), succeeded as Count of Gilching
Hemma
Liutgard, married Count Adalbert I of Bogen
Berthold, Count jure uxoris of Schwarzenburg
Tuta, a daughter of the Vogt Hartwig I of Regensburg. This marriage was childless.

Parents
____ Frederick (Friedrich) I (ABT  972 - ABT 1030)
VON OENINGEN Hemma (Kunizza) (ABT  980 - )

Siblings
VON DIESSEN Frederick (Friedrich) II (1005 - 23 Jan 1075)
____ Berthold II (ABT 1010 - AFT 1060)

Marriage To VON GILCHING Ermengarde (Irmgard) (ABT 1000 - )
    m.  

Notes

Parents
VON GILCHING Arnold (ABT  970 - AFT 1027)
____ Ermengarde (ABT  970 - )

Children by VON GILCHING Ermengarde (Irmgard) ABT 1000 - 
VON DIESSEN Uta (ABT 1030 - 1086)

Marriage To ____ Hadamut (ABT 1010 - ABT 1060)
    m.  

Notes

Parents
VON EPPENSTEIN Eberhard ()
----- ----- ()

Children by ____ Hadamut ABT 1010 - ABT 1060
VON DIESSEN Haziga (Hadagunda) (ABT 1030 - 1 Aug 1104)

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