Complex sentence: This was the beginning TCM's long association with freemasonry and although the College is still has a strong connexion with Freemasonry, there are no Trinity men in the Trinity College Lodge, though Trinity College Lodge remains strong.
Split into simpler sentences: This was the beginning TCM's long association with Freemasonry. Although the college still has a strong connection with Freemasonry, there are no Trinity men in the Trinity College Lodge, though Trinity College Lodge remains strong.