The eldest brother Yin Shou mentioned was his own eldest son, Yin Jiao.
The Yin family had never been good at picking names; every single one of them seemed to be named after their ancestors, though at least Yin Jiao's second character was different—otherwise, this family could have assembled the entire Shang dynasty.
Yin Jiao was a ruthless character, a few years older than Fu Jianye, and currently served as the second-in-command in a southern city, making him the most formidable second-generation scion of the Yin family today.
Chapter 622