As the peerage was not granted iron-cap status, each subsequent successor would hold diminished ranks no lower than feng'en fuguo gong.
Since 1821, Yiwei has been an heir presumptive to the imperial throne as the emperor's eldest son despite he was not appointed as Crown Prince.
This deeply enraged the Daoguang Emperor, who spanked the prince and ordered him to return to his study to reflect on himself.
When the funeral was organised in the Wuying hall in the Forbidden City,[7] Daoguang Emperor suddenly left it.
In 1850, he was posthumously promoted to Prince Yinzhi of the Second Rank (隐志郡王)[12] Yiwei was married to lady Gūwalgiya, daughter of duke Yinghai (英海) since 1822.