Possible Clues:

• John and Sebastian —, early navigators
• Explorer of Canada's coast
• Sebastian of ''Family Affair''
• Explorer found sailor sleeping like a baby?
• He sailed aboard the Matthew
• Actor Sebastian
• Sebastian --, Venetian navigator and cartographer
• Río de la Plata explorer
• Cape Breton's _____Trail
• "Murder, She Wrote" setting __ Cove