John de Segrave 4th Lord de Segrave & Margaret Marshall Plantagenet Duchess of Norfolk 
John and Margaret Marshall were married in a religious ceremony on March 3rd, 1327.1 They had a daughter named Elizabeth.
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Personal Details
John de Segrave 4th Lord de Segrave
John was born in 1306 in Norkfolk, England.2 He died at the age of 47 on March 20th, 1353.3 4
Margaret Marshall Plantagenet Duchess of Norfolk
Margaret Marshall was born in 1321 in Woodstock, Kent, England.5 She died at the age of 79 on March 24th, 1400. She was buried in Newgate, London.6 7
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Children
Elizabeth de Segrave Baroness of Mowbray
Elizabeth was born on October 25th, 1338 in Leicestershire, England and her baptism took place there on October 25th, 1338.8 9 She died at the age of 37 in 1375.10