
1) Anglo-Norman Irish dynasty
Found on
https://www.crosswordclues.com/clue/plunkett

The USS Plunkett was an American Benson Class destroyer of 1630 tons displacement launched in 1940. The USS Plunkett was powered by four Express oil-burning boilers providing a top speed of 36.5 knots. She carried a complement of 210 and was armed with five 5 inch guns; ten smaller guns and ten 21 inch torpedo tubes arranged in two quintuple arrang...
Found on
http://www.probertencyclopaedia.com/browse/RP.HTM
No exact match found.