Thorkell succeeded Leif some time after 1018 AD[?]. Leif, himself, had previously succeeded his father, Eric the Red, or Eirikr Thorvaldsson[?].
... nutritionist, writer (+ 1974) February 29 - Jimmy Dorsey, bandleader (+ 1957) March 1 - Glenn Miller, bandleader (+ 1944) March 2 - Dr. Seuss, author (+ 1991) ...