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Male John de Grey Click to view John de Grey in the family tree

John was born on October 9th, 1300 in Rotherfield Grey, Oxfordshire, England.1   John's father was Sir John de Grey 1st Baron of Rotherfield and his mother was Margaret de Odingsells.  His paternal grandparents were Robert de Grey and Joan de Valoines; his maternal grandparents were William de Odingsells and Ela FitzWalter. He had a sister named Joane.  He was the older of the two children.  He died at the age of 58 on September 1st, 1359.2 

Family Details of John's family with Avice de Marmion

Family Details of John's family with Katherine ferch Brian

1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=michaelrneuman&id=I003740
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I50512&style=TABLE

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