His U.S. birth certificate reads simply "Baby Songkla", as the parents had to consult his uncle, King Rama VII (Prajadhipok), then head of the House of Chakri, for an auspicious name. The king chose Bhumibol Adulyadej, meaning "strength of the land, incomparable power" (from Sanskrit: भूमिबल अतुल्यतेज, IAST: Bhūmibala Atulyatēja).