Baron John Deincourt & Alice Murdach 
They had a son named Oliver.
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Children
Baron Oliver Deincourt
Oliver was born in 1162 in Blankney, Lincolnshire, England.2 He died at the age of 39 in 1201.2
1 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I82043&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I016560&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I016560&style=TABLE