Complex sentence: When Évariste was twenty-four, he entered the congregation of the Lazarists (also known as Vincentians) at Paris, and shortly after receiving holy orders in 1839, went out to China.
Split into simpler sentences: When Évariste was twenty-four, he entered the congregation of the Lazarists (also known as Vincentians) at Paris. Shortly after receiving holy orders in 1839, he went out to China.