Seipp Family Genealogy:Information about Mary of Lancaster Plantagenet


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View Tree for Mary of Lancaster PlantagenetMary of Lancaster Plantagenet (b. 1320, d. 1362)

Mary of Lancaster Plantagenet (daughter of Henry Plantagenet, Earl of Lancaster and Maud Chaworth) was born 1320, and died 1362.She married Henry De Percy, Lord Percy, son of Henry De Percy, 2nd Lord Percy of Alnwick and Idonea de Clifford.
Children of Mary of Lancaster Plantagenet and Henry De Percy, Lord Percy are:
  1. +Henry De Percy, 1st Earl of Northumberland, b. 1341, d. 1407, beheaded at Battle of Bramham Moor.