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Birth:          ABT 1004 
Death:          28 Sep 1057 

Notes
https://en.wikipedia.org/wiki/Otto_III,_Duke_of_Swabia
Otto III (died 28 September 1057), called the White and known as Otto of 
Schweinfurt, was the margrave of the Nordgau (1024–1031) and duke of Swabia 
(1048–1057). He was the son of Henry of Schweinfurt, margrave of the Nordgau, and 
Gerberga of Henneberg. He was one of the most powerful East Franconian princes by 
inheritance: having extensive land in the Radenzgau and Schweinfurt. In 1014, he 
first appears as count of Lower Altmühl (or Kelsgau) and, in 1024, he inherits his 
father's march. In 1034, he became count of the Lower Naab. From then on to his 
appointment to Swabia, he takes part in many imperial expeditions into Bohemia, 
Hungary, and Poland.

At Ulm in January 1048, the Emperor Henry III appointed him duke of Swabia after a 
brief vacancy following the death of Otto II. He was loyal to Henry. He was engaged 
to marry Matilda, daughter of Boleslaus I of Poland, in 1035, but this was put off in 
favour of a marriage to Immilla, a daughter of Ulric Manfred, Margrave of Turin, as part 
of Henry's Italian plans. He was otherwise inactive and died after nine years rule and 
was buried in Schweinfurt.

Family[edit]

By his marriage to Immilla (died 29 April 1078), he had:
Bertha or Alberada (died 1 April 1103), married firstly Herman II, Count of Kastl, and 
married secondly Frederick, Count of Kastl
Gisela, inherited Kulmbach and Plassenburg, married Arnold IV, Count of Andechs
Judith (died 1104), married firstly Conrad I, Duke of Bavaria, and secondly Botho, 
Count of Pottenstein
Eilika, abbess of Niedermünster
Beatrice (1040–1140), inherited Schweinfurt, married Henry II, Count of Hildrizhausen 
and Margrave of the Nordgau

Parents
VON SCHWEINFURT Henry (Heinrich) (ABT  970 - 18 Sep 1017)
VON GLEIBERG Gerberga (ABT  970 - AFT 1036)

Siblings
VON SCHWEINFURT Otto III (ABT 1004 - 28 Sep 1057)
VON SCHWEINFURT Henry (ABT 1005 - AFT 1043)
VON SCHWEINFURT Eilika (Elica) (ABT 1005 - 1059)
VON SCHWEINFORT Judith (ABT 1007 - 2 Aug 1058)

Marriage To OF TURIN Immilla (ABT 1020 - 21 Jan 1078)
    m. 1036 his 2d

Notes

Parents
____ Odalrico Manfrido II (Ulric) (ABT  985 - 23 Dec 1035)
OF ESTE Bertha (ABT  997 - 29 Dec 1037)

Children by OF TURIN Immilla ABT 1020 - 21 Jan 1078
VON SCHWEINFURT Judith (ABT 1040 - ABT 1100)
VON SCHWEINFURT Gisela (ABT 1046 - 2 Feb 1100)

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