Winifred Gisela Yvonne Castelthomond O'Brien-ffrench
type: Person
description: (born 1901)
birth date: 1901-09-26
parent: Henry Albert de Vreque O'Brien-ffrench, 1st Marquess of Castel Thomond
parent: Winifred Thursby
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citations:
  source: The Peerage
  stated in qid: Q21401824
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  api version: v1
  served at: 2026-08-02T04:36:50.165580Z
  entity updated at: 2026-05-03T16:20:22.557058+00:00Z
  entity created at: 2026-05-03T15:01:52.849839+00:00Z