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Birth:          ABT  958 
Death:          21 Sep 1026 

Notes
change date to fit parents and children, though need to confirm his parentage
https://en.wikipedia.org/wiki/Otto-William,_Count_of_Burgundy
Otto-William (French: Otte-Guillaume; German: Otto Wilhelm; 955/62 – 21 September 
1026 AD), was Count of Mâcon, Count of Nevers, and the Count of Burgundy.
Life[edit]

Otto-William of Mâcon was born in 958 during the joint reign of his grandfather, King 
Berengar II of Italy, and his father, King Adalbert. His mother was Gerberga of Mâcon.
[1] His mother gave him what would later be the Free County of Burgundy around Dole 
in 982. Otto also inherited the duchy of Burgundy on the other side of the Saône in 
1002 from his stepfather Eudes Henry the Great.[2] The duchy then corresponded to 
the diocese of Besançon in the Holy Roman Empire. By 990 Otto-William was the 
Count of Nevers.[2] He was also Count of Mâcon in France.[1]

While the son of a king, he did not himself seek a royal wife.[3] In c.?975—80 he 
married Ermentrude of Roucy whose maternal grandmother, Gerberga of Saxony was a 
sister of Otto I, Holy Roman Emperor and by this marriage alliance it caused a web of 
consanguinity between later kings of France, Germany, Burgundy and the 
Carolingians.[3] Even his children's spouses, although from great families, came from 
widespread and scattered parts of France.[3]

The Duchy of Burgundy was annexed to the crown of France by King Robert II in 
1004. Determined to be sovereign ruler of his own lands, Otto revolted against the 
Emperor Henry II in 1016. This was after Rudolph III of Burgundy, the last king of 
Arles, had done homage to Henry at Strasbourg making him his guard and heir. On 
Otto's death, the Free County fell under the suzerainty of the German emperors. 
Otto-William died 21 September, 1026 at the age of 64.[4]

Marriage and issue[edit]

His first wife was Ermentrude, daughter of Renaud of Roucy.[1] They had two sons 
and three daughters:
Guy (c.?975—1006) had been associated as count of Mâcon from 995.[1] He married 
Aelis.
Matilda, married Landri of Nevers,[1] Count of Nevers[5]
Gerberga, married Guilhem II of Provence.[1]
Renaud I, Count of Burgundy (c.?990—1057), he married Adelaide (Judith) of 
Normandy.[1]
Agnes, married firstly William V of Aquitaine, secondly Geoffrey II of Anjou.[1]

Otto married the four-times widowed Adelaide-Blanche of Anjou late in life and they 
had no known children.[6][7]

Parents
____ Adalbert II (ABT  937 - ABT 30 Apr  971)
OF MACON Gerberge (ABT  938 - )

Siblings
____ Otto William (Otton I) (ABT  958 - 21 Sep 1026)

Marriage To DE ROUCY Ermentrude ( 958 - 5 May 1005)
    m.  

Notes

Parents
DE ROUCY Ragnvald (Renaud) (ABT  931 - 10 May  967)
DE LORRAINE Alberade (Aubree) (ABT  930 - 15 Mar  973)

Children by DE ROUCY Ermentrude  958 - 5 May 1005
____ Mathilda (ABT  979 - 13 Nov 1005)
OF MACON Gerberge (ABT  985 - ABT 1022)
____ Renaud (Raymond) I ( 986 - 3 Sep 1057)
OF BURGUNDY (DE MACON) Agnes (ABT  987 - 10 Nov 1068)

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