Context: Ali Shamshuddin Bin Ibrahim (d. November 13, 1345 or 18 Rajabul Asab 746, in Hamadan, Yemen) was the 13th Dai of Taiyabi Musta''li Bohra Islam. He succeeded the 12th Dai, Mohammed Bin Hatim, to the religious post. Shamshuddin became Da'i al-Mutlaq in 729 AH (1345 AD). His period of Dawat was from 729-746 AH (1329-1345 AD) for about 16 years and 7 months. Ali Shamshuddin was succeeded by 14th Dai Syedna Abdul Muttalib who was his Mazoon (Associate). 
 Question: By what was Ali Shamshuddin replaced?
abdul muttalib