William de MUMBY 
He had a biological daughter named Margaret Heiress de.
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Personal Details
William de MUMBY
William de was born about 1240 in Mumby, Spilsby, Lincolnshire, England. William de is no longer alive.
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Children
Margaret Heiress de MUMBY
Margaret Heiress de was born about 1270 in Mumby, Spilsby, Lincolnshire, England. Margaret Heiress de is no longer alive.