Complex sentence: Many religious orders and congregations of men have related convents of nuns, following the same rules and constitutions, many communities of canonesses taking the name and rule of life laid down for the congregations of regular canons.
Split into simpler sentences: Many religious orders and congregations of men have related convents of nuns, following the same rules and constitutions. Many communities of canonesses took the name and the rule of life laid down for the congregations of regular canons.