| Birthdate: | |
| Birthplace: | Montferrat, Italy |
| Death: | Died in Montferrat, Italy |
| Occupation: | Marquess of Montferrat, Marques e Margrave de Montferrat, Marquis, de Montferrat |
| Managed by: | Flemming Funch |
| Last Updated: | |
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Immediate Family
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About Guillaume III di Monferrato
William IV (c. 1030 – 1100) was the Margrave of Montferrat from 1084.
The date of William's birth is unknown, but it probably took place between 1030 and 1035. He was the eldest son of Otto II and Constance, daughter of Amadeus II of Savoy. He first appears in a document of 1059, when he is placed in power over the city of Savona, probably as per a request of the citizenry for a ruler of their own.
In 1093, he was present when the Emperor Henry IV donated the monastery of Breme to the church of Pavia.
By his second marriage with Otta di Aglié, William was the father of his successor Rainier. He had two children by his first marriage, but their fate is unknown.
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Guglielmo III, marchese di Ravenna's Timeline
| 1058 |
1058
Age 28
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Normandie,,,France
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| 1030 |
1030
- 1035
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Montferrat, Italy
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| 1100 |
1100
- 1085
Age 70
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Montferrat, Italy
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| ???? |
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| ???? |
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| 1084 |
1084
- 1090
Age 54
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France
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