Maha Vajiralongkorn (born 28 July 1952) is the King of Thailand since October 13, 2016. He is the only son of former King Bhumibol Adulyadej and Queen Sirikit. In 1972, the king gave him the title "Somdech Phra Borom Oras Adhiraj Chao Fah Maha Vajiralongkorn Sayam Makutrajakuman" and the title made him the Crown Prince and heir apparent to the throne. Vajiralongkorn was also a marshal in the Thai military.