William IX BERKELEY 
He had a biological son named Alexander.
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Personal Details
William IX BERKELEY
William IX was born in 1320 in Cullen Castle, Auldhaven, Banffshire, Scotland. He died at the age of 68 in 1388 in Cullen Castle, Auldhaven, Banffshire, Scotland.
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Children
Alexander BERKELEY
Alexander was born in 1347 in Cullen Castle, AUldhaven, Banffshire, Scotland. He died at the age of 62 in 1409 in Cullen Castle, Auldhaven, Banffshire, Scotland.