Complex sentence: Mao is most likely descended from the German game Mau Mau, or from Eleusis, which was published in Martin Gardner's column in the "Scientific American" in June 1959.
Split into simpler sentences: Mao is most likely descended from the German game Mau Mau. It may have influenced the game Eleusis, which was published in Martin Gardner's column in the "Scientific American" in June 1959.