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VON DIESSEN Haziga (Hadagunda)
Birth:          ABT 1030 
Death:          1 Aug 1104 

Notes
https://en.wikipedia.org/wiki/Haziga_of_Diessen
Haziga of Diessen, also known as Hadegunde (c.?1040 – 1 August 1104) was a 
Countess consort of Scheyern. Her descent is not entirely clear. It is usually assumed 
that her father was Count Frederick II of Diessen. He was Vogt of the Cathedral 
chapter in Regensburg. He was married three times; it is unclear in which marriage 
Haziga was born.

Around 1080, she founded a Benedictine monastery in Bayrischzell. It was moved to 
Fischbachau in 1085, then to Petersberg, near Dachau in 1104 and finally to 
Scheyern in 1119.

Marriages and issue[edit]

Her first husband was Count Herman of Kastl (d. 27 January 1056). With him, she 
probably had two sons and a daughter:
Herman, Count of Cham (d. after 1071)
Frederick I, Count of Kastl and Habsburg (d. 10 November 1103)
Matilda, married Count Rapoto III of Upper Traungau (d. 15 October 1080)

Her second husband was Count Otto I of Scheyern (d. 4 December 1078). It was also 
his second marriage. He had four children; it is possible some or all of these were from 
his first marriage:
Arnold I (d. before 26 March 1123)
Eckhard I (d. before 11 May 1091)
Bernard I (d. 2 March 1104)
Otto II (d. 31 October 1120)

Parents
VON DIESSEN Frederick (Friedrich) II (1005 - 23 Jan 1075)
____ Hadamut (ABT 1010 - ABT 1060)

Siblings
VON DIESSEN Haziga (Hadagunda) (ABT 1030 - 1 Aug 1104)

Marriage To VON SCHEYERN Otto I (ABT 1030 - 4 Dec 1072) m. 1057 his 2d Notes Parents VON SCHWEINFURT Henry (ABT 1005 - AFT 1043) VON ALTDORF ----- (ABT 1008 - ) Children by VON SCHEYERN Otto I ABT 1030 - 4 Dec 1072
VON SCHEYERN Eckhard I (ABT 1065 - BEF 11 May 1091)
Marriage To VON KASTL Hermann I (ABT 1037 - 27 Jan 1056) m. Notes Children by VON KASTL Hermann I ABT 1037 - 27 Jan 1056
____ Mathilde (ABT 1038 - )
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