The family includes three prime ministers and one President of Sri Lanka.
The Bandaranayaka family is claimed to originate from Nilaperumal Pandaram (pandaram is a tamil title given for a non-brahmin priest), who was from Tamilnadu, India and served as high priest of the Temple of Nawagamuwa Pattini Devalaya.
A member of the family, Don William Dias, who served as a translator for the British, was present when deposed the Kandyan King Sri Vikrama Rajasinha of Kandy was captured while in hiding by Ekneligoda Disawa.
It is located in the grounds of the Bandaranaike family seat of Horagolla in Atthanagalla, Western Province, Sri Lanka.
[2] Constructed as a gift from the People's Republic of China in 1970 in the memory of S. W. R. D. Bandaranaike, the Bandaranaike Memorial International Conference Hall was the largest conference hall on the island and in 2003 Sirimavo Bandaranaike Memorial Exhibition Centre was added to the same complex as a gift from the People's Republic of China in the memory of Sirimavo Bandaranaike.