Thomas of Lancaster, 1st Duke of Clarence
type: Person
description: Prince of England
birth date: 1387-09-29
death date: 1421-03-22
birth place: Kenilworth Castle
death place: Baugé
nationality: Kingdom of England
parent: Henry IV of England
parent: Mary de Bohun
spouse: Margaret Beaufort, Countess of Somerset
children: John de Clarence
sibling: Blanche of England
sibling: Philippa of England
sibling: Humphrey of Lancaster, 1st Duke of Gloucester
sibling: Henry V of England
sibling: John of Lancaster, Duke of Bedford
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  tier: established
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source: Oxford Dictionary of National Biography
stated in qid: Q17565097

source: Freebase Data Dumps
stated in qid: Q15241312
pub year: 2013

source: Virtual International Authority File
stated in qid: Q54919
retrieved: 2022-09-15

source: The Peerage
stated in qid: Q21401824

source: Weir A. Britain’s Royal Families: The Complete Genealogy
stated in qid: Q66543664

stated in qid: Q75653886

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api version: v1
served at: 2026-08-09T05:43:24.242262Z
entity updated at: 2026-04-10T23:34:51.447919+00:00Z
entity created at: 2026-04-10T23:34:51.447919+00:00Z