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The red node is John. Pale nodes are charities, grey nodes are companies, and darker grey nodes are the people who sit on them. Dashed links are historical or inferred. Click any node to explore.

Person

John Dilwyn Williams

John Dilwyn Williams is a trustee of Cymdeithas Hanes Teuluoedd Gwynedd/Gwynedd Family History Society (since 2024), The Caernarvonshire Historical Society and 3 other charities and a director of 2 companies. Source: Companies House and Charity Commission records.

Director at GŴYL Hanes Cymru I Blant / Children's Festival of Welsh History CYF · Trustee at Cymdeithas Hanes Teuluoedd Gwynedd/Gwynedd Family History Society

  • 7 current roles
  • 1 previous role
  • Served alongside 70 people
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Official record Companies House and Charity Commission · updated 18th October 2026

Roles

8 roles across 8 organisations (7 current, 1 previous)

Current roles (7)

Previous roles (1)

  • Tirwedd Trust LTD
    Director · from 1999
    Official record · Companies House
    Source
    Companies House
    Organisation
    Tirwedd Trust LTD
    Role
    Director
    Appointed
    1999-09-06
    Record reference
    Company 02871727
    Previous

Charity trustee roles come from the current Charity Commission register, which lists serving trustees only. Company roles, current and past, come from Companies House.

People John has served alongside

70 people across 7 organisations

Based on overlapping official board records. Calculated from official records It does not mean they know each other. Only formal co-service is listed: people are never joined on a matching name alone.

Cwmni Plas Glyn - Y - Weddw Limited 37 people · 1999-present

Cymdeithas Hanes Teuluoedd Gwynedd/Gwynedd Family History Society 13 people · 2024-present

Cwmni Plas Glyn'Y-Weddw Limited 12 people · Current

Ymddiriedolaeth Capel Newydd Nanhoron 9 people · Current

GŴYL Hanes Cymru I Blant / Children's Festival of Welsh History CYF 4 people · 2026-present

The Caernarvonshire Historical Society 2 people · Current

Cymdeithas Hanes Dyffryn Nantlle 1 person · Current

Sources

Companies House
Officer appointments and resignations.
Charity Commission
Register of Charities: current trustees and appointment dates.
Edition
Register edition compiled 18th October 2026
Identity
Records are treated as the same person only where our identity-matching rules support it. Confirmed relationships are supported by the approved identity-matching evidence and rules. Likely relationships are supported by sufficient evidence to suggest the records concern the same individual, but are not established as confirmed; they are shown with the label “Likely the same person”. How people are matched

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