Crossword Puzzle Early Norse ruler of Normandy

Clue: Early Norse ruler of Normandy

Early Norse explorer (ERIC with 4 letters)
Early Slav rulers (KRALS with 5 letters)
Leaves the office early? (RESIGNS with 7 letters)
Early Norse gods (VANIR with 5 letters)
Offspring of Bold Ruler and Somethingroyal (SECRETARIAT with 11 letters)
Early offspring (CAIN with 4 letters)
Early Norse chieftain (e.g. ROLLO with 5 letters)
Spy's reaction to an early retirement offer? (DESKJOBINTERESTSAGENT with 21 letters)
Early Norse saga (EDDA with 4 letters)
Norse conqueror of Normandy in 860 (ROLLO with 5 letters)