Khun Poom Jensen, born Bhumi Jensen, was a grandson of King Bhumibol Adulyadej of Thailand, after whom he was named. He was also a nephew of Vajiralongkorn, the current King of Thailand. He was the only son of the King's eldest daughter, Princess Ubolratana Rajakanya, and her American (former) husband Peter Ladd Jensen.
Poom Jensen
Ubol Ratana is a member of the Thai royal family. She is the eldest child of King Bhumibol Adulyadej and Queen Sirikit and elder sister of King Vajiralongkorn.
Ubol Ratana in 2010