Devahastin family

[1] Its best known member was Sanan Devahastin na Ayudhya, better known by his noble title Chaophraya Thammasakmontri, a senior government official of the 1920s–1930s.

The family traces its descent from Phraya Ratchaphakdi (Mom Rajawongse Chang),[a] whom sources describe as either a grandson or a son of Prince Thepharirak, himself a nephew of King Rama I.

[2] The family name was granted by King Vajiravudh (Rama VI) to Phraya Phaisansinlapasat (Sanan Devahastin na Ayudhya, later to become Chaophraya Thammasakmontri) in 1913 when he decreed the use of surnames.

Notable members of the family include: In 2010, a member of the family, identified by the nickname Praewa, was involved in a car accident with a public passenger van [th] on the Don Mueang Tollway, which resulted in the deaths of nine van passengers.

She was driving underage without a licence, and the case sparked a huge amount of online public outrage.