Three stock transliteration syllables:
舒 (shū, "comfortable") +
克 (kè) +
曼 (màn).
曼 is the universal final for English/German -man surnames (Schuman
舒曼, Hoffman
霍夫曼, Eastman
伊斯曼). Spotting 〜
曼 at the end of a Chinese name is a strong signal it's a Western surname.