Admiral Prince Abhakara Kiartivongse, Prince of Chumphon (19 December 1880 – 19 May 1923) (Thai: ????????????????????????????, RTGS: Phra Ong Chao Aphakon Kiantiwong, full title: Thai: ????????????????? ???????????????????????????? ?????????????????????????), was the 28th child of King Chulalongkorn.
He was commonly reveared as "The Father of our Thai Navy".
Being born to a non-royal mother, he could not become king.
Initiating the naval force in Thailand, Prince Ap-hakon was highly praised amongst Thai as "Sadej Tia" (Thai: ??????????; lit.
Lord Father), "Mor Phon" (Thai: ?????; lit.
Doctor Phon).
The Thai Royal Navy officially announced his title as "the Father of our Thai Navy" in 1993.There are 217 shrines and memorials built to honour him around Thailand.
The most famous of which is the Prince of Chumphon Shrine at Hat Ree in Chumphon Province, where he recuperated and rehabilitated from his diseases, before his death on 19 May 1923.