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E, DanielIt was just a play on words, a pun......sioux is pronounced the same as sous, and the Sioux Chief was exactly that, an Indian Chief whose peoples famously fought european colonization - including many famous battles including Little Big Horn. Amongst card collectors, the reference is amusing as there have been a number of card issues from the late 1800's to middle 1900's that have featured the image of one or other Sioux Chiefs.
So, it was just an "In the huddle" joke, not meant otherwise.
Kind regards
Daniel