Phonetic rendering of Shepard / Sheppard. The -
德 (-dé) ending is the workhorse Chinese character for English '-d' or '-ard' name finals (Edward
爱德华, Shepherd
谢泼德, Reed
里德). Famous bearers in Chinese subtitle context include playwright Sam Shepard and astronaut Alan Shepard, though the more common Mandarin spelling for both is
谢泼德 —
夏普德 is the looser variant.