Nah, that usage has been common for a long time and is acceptable:
"Although sometimes criticized as redundant on the grounds that 'from' is implied by the word whence, the idiom from whence is old in the language, well established, and standard. Among its users are the King James Bible, Shakespeare, Dryden, and Dickens: Hilary finally settled in Paris, from whence she bombarded us with letters, postcards, and sketches."
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