Chǔ Yuān 褚淵 (435–482), great Southern-Qí official (tàizǎi shìzhōng lùshàngshū gōng 太宰侍中錄尚書公), brother of 褚澄 Chǔ Chéng, the physician to whom KR3eq029 Chǔshì yíshū is attributed.