Gethin ap Gruffydd
Welsh nationalist

Gethin ap Gruffydd (Welsh pronunciation: [ˈɡɛθɪn ap ˈɡrɨfɨð]); born Keith Griffiths, also known as Gethin ap Iestyn; 11 April 1946 – 18 September 2025) was a Welsh republican nationalist activist. Born in Merthyr Tydfil, Wales, he was known for his involvement in Welsh political and cultural movements, notably the National Patriotic Front (NPF) and Free Wales Army (FWA). He had three children with his partner, Sian Ifan.
Anti-Sais Front/Patriotic Front 1964–1969
After leaving school, Gruffydd found work at a textile wholesaler in Bath, Somerset, where he became a member of Plaid Cymru. In 1964 he relocated to Fishguard in Pembrokeshire, waiting seven months in preparation for Plaid Cymru's summer conference. In Fishguard, Gruffydd's characteristic approach to political action drew notice for the first time when he tore down Union Jack bunting at a local fête. At the Fishguard conference, Gruffydd first met his long term ally, Cwmbran bus conductor Toni Lewis. Together, they formed the Anti-Sais Front (lit. 'Anti-English front').
I and a few others thought we must attempt something in South Wales to rally people towards nationalism, but obviously being English-speakers it couldn't be done through the Welsh language. [...] ...we formed an organization called the Anti-Sais Front, which wasn't anti-English as such, but anti-Anglicisation, and we took much of our inspiration for it from developments in the Flemish areas of Belgium, and from the French-Canadians of Quebec, where the militancy was just emerging strongly.
“Gethin ap Gruffydd” enters the record as welsh nationalist. Crown Archives preserves that source wording while asking what Gethin, Gruffydd and Welsh can confirm, complicate or overturn.
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This entry incorporates text from “Gethin ap Gruffydd” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.