Family: Marquess of Montferrat William, VII / Marchioness of Montferrat Isabel de Clare (F195)
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Female
Marchioness of Montferrat Isabel de Clare
Birth May 1240 Tonbridge, Kent, England Death 1271 Burial Father Eighth Earl of Clare, Sixth Earl of Hertford, 6th Earl of Gloucester Richard de Clare, IV | F7420 Group Sheet Mother Maud de Lacy | F7420 Group Sheet