John I de BULMER 
He had a biological son named John II de.
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Personal Details
John I de BULMER
John I de was born about 1160 in Bulmer, North Riding Yorkshire, England. He died after 1205.
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Children
John II de BULMER
John II de was born about 1190 in Bulmer, North Riding, Yorkshire, England. He died about 1256.