Siam's Boy King Shot Dead - Brother Proclaimed New King. One of the last pictures of the late King ***** of Siam, taken in Thailand to ***** late King Ananda Mahidol is seen on the left and the newly appointed king, former prince ***** is seen on the right. Twenty Year old King Ananda Mahidol of Saim, "Brother of the moon and supreme Arbiter of the tides', was found shot dead in his Palace at Bangkok on June 9. His died of a gun explosion huge crowds gathered near the palace, walking in sorrow. An Emergency session of the the Siamese Parliament Unanimously chose Ananda Rother, 19 years old boston born Prince Rhumifhon Aduldet, to succeed him. June 18, 1946. (Photo by Associated Press Photo).