Dit Bunnag was born in 1788 to Bunnag and Chao Kun Nuan (who was Queen Amarindra's sister) at his father's residence off the southern side of the Grand Palace Wall near modern Wat Pho. His father, Bunnag, or Chao Phraya Akkamahasena (), had served as Samuha Kalahom the Prime Minister of Southern Siam during the reign of King Phutthayotfa Chulalok. Dit had an younger brother That who later became Somdet Chao Phraya Phichaiyat. Prayurawongse was a member of Bunnag family who descended from Sheikh Ahmad, a Persian minister during the reign of King Prasat Thong (His lineage had converted to Theravada Buddhism in mid-eighteenth century.).
