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Male John 1st Baron de St. John , of Basing, Sir Click to view John 1st Baron de St. John , of Basing, Sir in the family tree

John 1st Baron de was born about 1273 in Basing, Hampshire, England.  John 1st Baron de's father was John de St. John , Lord of Basing, Sir and his mother was Alice FitzPiers.  His paternal grandparents were Robert de St. John , Lord of Basing, Sir and Agnes de Cantelou; his maternal grandparents were Reginald FitzPiers , Lord of Blaen Llyfni and Alice de Stanford. He had a sister named Agnes de.  He was the older of the two children.  He died before April 4th, 1329 in Basing, Hampshire, England.


John 1st Baron de's family with Isabel de Courtenay

‌John 1st Baron de and Isabel de were married in a religious ceremony in 1st wife.

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