![Marquess of Montferrat William, VII](img/male.jpg)
Marquess of Montferrat William, VII
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- 1 Marquess of Montferrat William, VII [1]
- + Marchioness of Montferrat Isabel de Clare b. May 1240 d. 1271
- + Marchioness of Montferrat Isabel de Clare b. May 1240 d. 1271