Fowe,
FOWE, Fowey England, no one has this last name in Fowey, but a few in Northumberland,during the 1700-1900, possible French or German.
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The writer Daniel Defoe was originally surnamed Foe. Could this be the same name? Even if it is I still don't know what it could mean. Foe = "enemy"? There is another English surname, Unwin, which means "enemy".