Who are the celebrities named Yu?

Yu Jing: a native of Qujiang (now Guangdong), an official of the Ministry of Industry. He is famous for speaking frankly. During Song Renzong's heyday, he, Ouyang Xiu, Wang Su and Cai Xiang were also called "four remonstrances". When Fan Zhongyan was demoted, hundreds of officials in the ruling and opposition were afraid to say anything, but he came out to uphold justice for Fan Zhongyan and was demoted together. Successor Right Yan Zheng wrote many times, suggesting strict rewards and punishments, saving expenses and opposing giving Xixia more money. I went to Liao three times and was disintegrated because I wrote poems with Qidan. It was put into use soon, and he was a bachelor of Jixian College, an official to the Ministry of Industry, and the author of Five Creeks. Later, there was the Eight Sages Hall in Guangzhou, and Yu Jing was one of the Eight Sages.