Joan Henrica Josepha Mary Clare Lyon-Dalberg-Acton
type: Person
description: (1915-1995)
birth date: 1915-08-07
death date: 1995-11-14
parent: Richard Lyon-Dalberg-Acton, 2nd Baron Acton
parent: Dorothy Lyon
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citations:
  source: The Peerage
  stated in qid: Q21401824
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  served at: 2026-08-05T00:31:38.913463Z
  entity updated at: 2026-05-03T16:20:22.557058+00:00Z
  entity created at: 2026-05-03T15:30:12.226342+00:00Z