John de Grey & Lucy de Mohun 
They had a son named Henry.
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Personal Details
Death Notes
D: 5 JAN 1271/1272
Lucy de Mohun
Lucy was born in 1232 in Dunster, Williton, Somerset, England.1 She died at the age of 39 on January 5th, 1271.1
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=stolp&id=I15532&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=stolp&id=I8637
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=stolp&id=I8637