On 22 November 1961 was the passing away of Chao Chom Arb the daughter of Chao Phraya Suraphanphisut (Thet Bunnag), a former governor of Ratchaburi province and the governor of Phetchaburi and The lady Au. Chao Chom Arb was the concubine of King Rama V in 1895 She moved to reside in Suan Sunandha palace in 1919. Now her mansion was rebuilt into an office building.