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Birth:          ABT  970 
Death:          1042 

Notes
https://en.wikipedia.org/wiki/William_III,_Marquess_of_Montferrat
William III (c. 970 – 1042) was the Margrave of Montferrat and Count of Vado from 991 
to his death. He was the eldest son and successor of Otto I. William I and II were the 
father and son respectively of Aleram, the first margrave, but neither served as 
margrave himself.

William's religious policy was a continuation of Aleram's. He founded the monastery of 
Spigno. In 1014, he and his brother Riprando donated land to the abbey of Fruttuaria. 
Between his succession and 1002, he made other donations to Acqui Terme.

While following in the familiar policy of ecclesiastical patronage, William abandoned 
Aleram's support of the Holy Roman Emperors. Instead, he intervened in the wars of 
the Italian communes which characterised early eleventh-century Italy. He joined an 
anti-imperial alliance with Count Obert the Red, Margrave Ulric Manfred II of Turin, 
and Bishop Leo of Vercelli. The allies soon found themselves at odds and warring on 
each other. Leo besieged Santhià, where William was then residing, and William, to 
avenge himself on the bishop, besieged Vercelli and put it to flame. William signed a 
peace treaty with Ulric Manfred and married his son Henry to Manfred's daughter 
Adelaide.

Even after all his allies had been pacified by imperial troops, William continued to 
resist Conrad II, but he fared poorly. Conrad destroyed his fortress in the valley of 
Orba.

The Miracula sancti Bononii records William's wife as Waza. She prayed at the tomb 
of Saint Bononio, abbot of Santissimi Michele e Genuario di Lucedio. William died in 
1042, probably before 29 January, when his son Henry cites him in an act donating 
land to the church in Turin.

Parents
____ Otto I (ABT  940 -  991)
----- ----- ()

Siblings
____ William III (ABT  970 - 1042)

Marriage To ____ Waza ()
    m.  

Notes


Children by ____ Waza 
____ Otto II (ABT 1010 - 20 Nov 1084)

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