Background
Born as son of King Mongkut and Princess Consort Piam with the given name Prince Devan Uthayavongse (เทวัญอุไทยวงศ์. Rtgs: Thewan-u-thaiwong), he had the same parents as the 3 queens of King Chulalongkorn, Queen Sunandha Kumariratana, Queen Savang Vadhana and Queen Saovabha Bhongsi.