Crossword Puzzle Early Norse ruler of Normandy

Clue: Early Norse ruler of Normandy

Early offspring (CAIN with 4 letters)
Leaves early, as an office (VACATES with 7 letters)
Early Norse chieftain (e.g. ROLLO with 5 letters)
Spy's reaction to an early retirement offer? (DESKJOBINTERESTSAGENT with 21 letters)
Early 1900s ruler (TSAR with 4 letters)
Early Norse saga (EDDA with 4 letters)
Norse conqueror of Normandy in 860 (ROLLO with 5 letters)
Early Atari offering (PONG with 4 letters)
Leaves the office early? (RESIGNS with 7 letters)
Early TV offering (GMA with 3 letters)