
1) British king of legend 2) Father of King Arthur 3) Irish boy name 4) Legendary Pendragon
Found on
https://www.crosswordclues.com/clue/uther

HMS Uther was a British U Class submarine of 540 tons displacement launched in 1943. HMS Uther was powered by two Davey Paxman diesel engines providing a top speed of 11 knots surfaced and two electric motors providing a top speed of 9 knots submerged. She carried a complement of 31 was armed with one 3 inch gun; three machine-guns and four 21 inch...
Found on
http://www.probertencyclopaedia.com/browse/RU.HTM

king of Britain and father of Arthur. Also called
Found on
https://www.infoplease.com/dictionary/uther
No exact match found.