King of Siluria Note: OCCUPATION: In A.D. 170 Lucius succeeded to the throne of Britain and became the first Christian King in all the world, and the second Blessed Soverign of Wales. He built the Cathedral at Llandaff, the first Christian sanctuary in Britain and changed the established religion of Britain from Druidism to Christianity. He married Gladys, daugther of EURGEN (sister of OLD KING COLE, Colius I) who became king of Britain A.D. 125. LLEUVER died in 181, leaving an only child, a daughter.