Answer: canute

AnswerCrossword Clue
CANUTEPatron saint of Denmark
CANUTEEleventh C. ruler
CANUTEEthelred's nemesis
CANUTEKing of England, 1016-35
CANUTEDanish king of England, 1017-35
CANUTEKing of England, Denmark and Norway
CANUTEKing of England and Denmark
CANUTEWould-be wave ruler
CANUTEKing of England: 1017-35
CANUTEDanish king of England: 1017-35
CANUTEEarly English king
CANUTEKing of England
CANUTEDanish king
CANUTEDanish king of England
CANUTEAnc. Danish king.
CANUTE11th cen. king of England.
CANUTEEarly king of England.
CANUTEEarly King of England.
CANUTERuler of three kingdoms, but not the waves.
CANUTEKing who tried to rule the waves.
CANUTEKing of England, 1016-35.
CANUTEKing of England, 1017-35.
CANUTE11th-century Danish king
CANUTEMedieval Danish king
CANUTEAncient Danish king
CANUTEEarly Danish king