Complex sentence: Ramakrishna--then known as Gadadhar Chattopadhaya and a priest of the Dakshineswar Kali temple--was practicing spiritual austerities at that time and his mother and brother thought that a marriage would be a good steadying effect on him.
Split into simpler sentences: Ramakrishna--then known as Gadadhar Chattopadhaya and a priest of the Dakshineswar Kali temple--was practicing spiritual austerities at that time. His mother and brother thought that a marriage would be a good steadying effect on him.