Complex sentence: The letter was eventually replied by a French priest Jules Monchanin, who had left for India in 1939 at the age of 44, and the latter did his best to help Le Saux in arranging his arrival to India.
Split into simpler sentences: The letter was eventually replied by a French priest, Jules Monchanin, who had left for India in 1939 at the age of 44. The latter did his best to help Le Saux in arranging his arrival to India.