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Wiederhold1860Tree
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William VII.
de Montferrat
+
Isabelle
de Clare
1 child
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Juan I. el de Tarifa
de Castilla
Margaret
de Montferrat
Birth:
estimated as equal to husband's birth year
—
about 1262
22
20
Death:
1286
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Isabelle
de Clare
Margaret
de Montferrat
William VII.
de Montferrat
Birth:
about 1240
Death:
February 6, 1292
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William VII.
de Montferrat
Margaret
de Montferrat
Isabelle
de Clare
Birth:
estimated a short gap of 20 years
—
about 1242
19
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Isabelle
de Clare
Richard
de Clare
Birth:
August 4, 1222
42
21
Death:
July 4, 1262
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