
1) Legendary British king 
Found on 
https://www.crosswordclues.com/clue/bladud

 Bladud or Blaiddyd{Ref label|a|a|none} was a legendary king of the Britons, for whose existence there is no historical evidence. He is first mentioned in Geoffrey of Monmouth`s Historia Regum Britanniae, which describes him as the son of King Rud Hud Hudibras, and the tenth ruler in line from the first King, Brutus. This idea may have been based ....
Found on 
http://en.wikipedia.org/wiki/Bladud

In English mythology, Bladud was the father of King Lear, and was said to have founded Bath having been cured by its waters.
Found on 
http://www.probertencyclopaedia.com/browse/D3.HTM
  No exact match found.