Paramount chieftain

Paramount Chieftain, is a term used for the ancient rulers[?] of Greenland.

Among the island nation's chieftains are:

Eric the Red, or Eirikr Thorvaldsson[?], the nation's first chieftain, and its first settler. Began his rule in 985 AD[?].
Leif Ericsson, likely the first European to step foot on North America
Thorkell Ericsson, succeeded his father, Leif, sometime after 1018 AD[?].