Analysis of information sources in references of the Wikipedia article "House of Gwynedd" in English language version.
The plot was carried out (by a Scot) in 1378, and Saint Leger on the banks of the Garonne (opposite Chateau Calon Segur - not a Welsh name, alas) became the burial place of the last of the senior male line of the house of Aberffraw. Following the extinction of that line,...