An older / variant transliteration of 'Jenkins' — modern mainland standard often spells it
詹金斯 (Zhānjīnsī). Phonetic match:
杰 (jié) for 'Jen-',
金 (jīn) for '-kin-',
斯 (sī) for the final '-s' (the universal Chinese rendering for English '-s'/'-th' endings).
