理藩院
After the Yongzheng Emperor ascended the throne in 1723, Yunsi was named a top advisor to the new emperor and imperial chancellor, the head of the "Lifan Yuan", in addition to being awarded the title "Prince Lian of the First Rank". He was removed from office four years later, his titles stripped, then he was banished from the imperial clan. He was charged with a litany of crimes and sent to prison, where he died in disgrace. He was posthumously rehabilitated during the Qianlong Emperor's reign.