John de Clarell & Matilda Capre 
They had a son named William.
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Children
William de Clarell
William was born in 1235 in Tickhill, Yorkshire, England.2 He died at the age of 50 in 1285.2
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=johanson&id=I66772&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=johanson&id=I66760&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=johanson&id=I66760&style=TABLE