Battle of Pong

The ancestor who insisted on fighting the Chu state originally did not die, so why could he not escape the fate of exterminating the clan?
Chu Jin Father Xun Lin Eastern Zhou Dynasty, Spring and Autumn Chapter Zheng Guo Battle of Pong
12-31
In the "Battle of Wu", what was the reason for jin's defeat and chusheng?
Battle of Pong King Zhuang of Chu Chu Jin Father Xun Lin Jin Jinggong
12-30