Wu Guang
There is a biography of Chen Sheng and Wu Guang, which is called "aristocratic family of Chen Sheng", in Records of the Grand Historian. The main points of the passage are as follows. Chen Sheng was a tenant who was born in Henan province and Wu Guang was his townsman. When Chen Sheng was young, he used to plow with some peasants. One day, he felt tired, then he stopped working and went to a hill for a rest.