Alan de Bulmer & partner 
They had a son named Aschetil.
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Children
Lord Ferlington Aschetil de Bulmer
Aschetil was born in 1089 in Bulmer, North Riding, Yorkshire, England.2 He died at the age of 33 in 1122 in Brancpeth, Durhamshire, England.2
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I016982&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I003107&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I003107&style=TABLE