1. Benbadhanabongse, Prince of Phichai was a Prince of Siam, a member of the Siamese royal family.

1. Benbadhanabongse, Prince of Phichai was a Prince of Siam, a member of the Siamese royal family.
Benbadhanabongse was a son of Chulalongkorn, King Rama V of Siam.
Prince Benbadhanabongse was born on 13 September 1882, in the compound of the Grand Palace, Bangkok.
Benbadhanabongse was the 38th child of King Chulalongkorn, and his mother was The Noble Consort Morakot Phenkul, daughter of Lord Mahindrasakdi Dhamrong and Dame Hunn Phenkul.
Benbadhanabongse studied agricultural studies in the United Kingdom in 1903, while he was only 19 years old.
Benbadhanabongse hired Dr Kametaro Toyama from the University of Tokyo to teach the Japanese practice of silk and weaving to Siamese students.
Prince Benbadhanabongse was given the royal title from his father as "Kromma Muen Phichai Mahintharodom", or translated as The Prince of Phichai on 2 October 1904.
Benbadhanabongse was given the rank of Kromma Meun, the fifth level of the Krom ranks.
Benbadhanabongse created the Thai classical music band "Prince Ben's band".
Benbadhanabongse met the Chiang Mai princess Chomchuen of Chiang Mai, daughter of Prince Sambandhavongse Dharmalanka of Chiang Mai and Princess Ghamyon of Lamphun, and they began a relationship.
Prince Benbadhanabongse requested the governor of Chiang Mai to negotiate with Prince Sambandhavongse about a marriage, but the proposal was rejected by Prince Sambandhavongse.
Benbadhanabongse began composing the song called Lao Duang Duen in loving memory to his loved one.
Benbadhanabongse performed this song whenever he missed the Princess of Chiang Mai.
Prince Benbadhanabongse died on 11 November 1909, at the age of 27.