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Male John 1st Baron de Grey , of Rotherfield, KG Click to view John 1st Baron de Grey , of Rotherfield, KG in the family tree

John 1st Baron de was born on October 9th, 1300 in Rotherfield Greys Castle, Henley-on-Thames, Oxfordshire, England.  John 1st Baron de's father was John de Grey , of Rotherfield, MP, Sir and his mother was Margaret de Odingsells.  His paternal grandparents were Robert de Grey , of Rotherfield, Sir and Joan de Valognes , Heiress of Shabbington; his maternal grandparents were William de Odingsells , Lord of Maxtoke and Ela FitzWalter. He had a sister named Joan de.  He was the older of the two children.  He died at the age of 58 on September 1st, 1359.

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