Indulf of Scotland was king of Scotland from 954 to 962. He was the son of King Constantine II, second cousin of the previous king Malcolm I, and second cousin first removed of his successor Dubh.
... physicist and explorer
Jacques Piccard[?], (born 1922), undersea explorer
Francisco Pizarro, (1471-1541), conqueror of the Inca Empire
Marco Polo, (1254-1323), ...