阴平国
(?
511年～
511年)
杨孟孙，仇池氐人，在梁武帝天监初年被授以假节、督沙州刺史、阴平王。他在511年去世，南梁追赠他为安沙将军、北雍州刺史，由其子杨定袭爵。
Yang Meng Sun, Chou Chi Di People, in the early years of Emperor Wu-day monitoring was granted to leave section, the Governor of sand prefectural governor, IA Wang. He died in 511, South Liang posthumously for his Sha-General, North Yong prefectural governor, and his son Yang set Xijue.