Princess Soamsawali was born on 13 July 1957 at Guy's Hospital in London, United Kingdom, as the eldest child of Mom Rajawongse Adulyakit Kitiyakara (an elder brother of Queen Sirikit) and Princess Bandhu Savali Yugala.

On 3 January 1977, at the age of 19, she married her first cousin, Maha Vajiralongkorn, the only son of King Bhumibol Adulyadej.

[3][4][5] On August 27, 2018, Princess Soamsawali was admitted to the Chulalongkorn Hospital for treatment of a swollen shin of the right leg, which was diagnosed as a tissue infection.

Additionally, she performed in two stage plays: Raksa Pha and after her marriage was dissolved with the former royal consort, she performed in the stage drama Koh Sawan together with Bajrakitiyabha, and Mom Luang Sarali Kitiyakara, Phra Khun Sitthikanya Kitiyakorn.

[10] In that same year, she also graced the television screen, taking on a role in the Channel 7 series Rak Rae, portraying Pramotjit.

[11] Continuing her artistic pursuits, in 2016, she participated in the stage play Man Prapeni Prakasit Ayasawakhun, portraying the role of the goddess Sawankhaboriharn.