 He was also delegated many positions of the royal court of King Rama VI such as the chairman of the minister council.Later in 1916 he was the first-ever prince of Siam who was not born to the Queen but bestowed the royal title of Somdet Krom Phraya Devawongse Varoprakar, which the rank of Somdet Krom Phraya is the highest rank for the prince who works in the Siamese royal court and normally preserved for Chao Fa (royal children born to the Queen) or Prince Supreme Patriarch only.At the age of 64 Prince Devawongse died due to sepsis from carbuncle (abscess) complicated his diabetes at Devavesma palace, his residence, on 28 June 28 1923.