Bhanurangsi Savangwongse

Prince Bhanurangsi Savangwongse, The Prince Bhanubandhu Vongsevoradej or His Royal Highness Prince Bhanurangsi Savangwongse, Prince Uncle (11 January 1859 – 13 June 1928) (Thai: สมเด็จพระราชปิตุลาบรมพงศาภิมุข เจ้าฟ้าภาณุรังษีสว่างวงศ์ กรมพระยาภาณุพันธุวงศ์วรเดช) was a son of King Mongkut of Siam and Queen Debsirindra.

Although the Prince held a number of posts in the government of his elder brother, King Chulalongkorn, including the post of Commander-in-Chief of the Royal Siamese Army, he is best remembered as the founder of the Thai postal service and the first Field marshal in Royal Siamese Army during King Vajiravudh.

His most famous son was the Formula One racer, Prince Birabongse Bhanudej.