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Male John Thweng , of Cornburgh, Sir Knight Click to view John Thweng , of Cornburgh, Sir Knight in the family tree

John was born about 1261 in Kilton Castle, Cleveland, Yorkshire, England.  John's father was Marmaduke de Thweng , Lord of Kilton, MP, Sir and his mother was Lucy de Brus.  His paternal grandparents were Robert de Thweng , Lord of Kilton, Sir Knight and Maud Heiress of Kilton; his maternal grandparents were Peter II de Brus , Baron of Skelton & Danby and Hawise de Lancaster. He had two brothers named Robert de and Marmaduke 1st Baron de.  He was the youngest of the three children.  He died on December 2nd, 1330 in Cornborough, Malton, North Ride Yorkshire, England.

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