Brythonic Kings, Welsh Princes, and UK politicians.
Modern British leaders: Post-Roman Brythonic Kings from their respective Kingdoms in Britain, Celtic de facto and current Princes of Wales & Caernarfonshire, UK politicians. All from the past 1,600+ years (Wikipedia links used). The Kings of the Welsh Kingdoms represented their country as King of Britain during the sub-Roman (400s AD) conquests a few centuries before the King of Wales title emerged . The Kingdoms emerged in the 5th century as successor states to the Roman Provinces which stood in place for nearly 400 years. From the Iron Age in Britain, the ruling class of leaders of Wales (Cambria) were Kings of Britain, as well as the Chief Governors of Cambria and Dukes of Cornwall, and also the Governors of North Camrbia as Earls of Ewias and Urtchingfilde from roughly 1,000 BC to 400 AD. The Earldom's title holder's descendants inter-married with the Chief Governors of Cambria (Duke of Cornwall, King of Britain) as ancestors to the the...