Nielsen Hayden genealogy
Calendar of Inquisitions Post Mortem, Vol. 19, 7-14 Henry IV, 1405-1413 ed. J. L. Kirby. London: Her Majesty's Stationery Office, 1992.
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Title Calendar of Inquisitions Post Mortem, Vol. 19, 7-14 Henry IV, 1405-1413 ed. J. L. Kirby. London: Her Majesty's Stationery Office, 1992. Source ID S4265 Linked to (1) Roger Kelke