Complex sentence: The rituals have their own milieu of dramatic and esoteric content: however it has been claimed that some of the rituals are derived from the Egyptian Freemasonry of Cagliostro, and indeed the Scottish Rectified Rite of Willermoz.
Split into simpler sentences: The rituals have their own milieu of dramatic and esoteric content. It has been claimed however that some of the rituals derived from the Egyptian Freemasonry of Cagliostro, and the Scottish Rectified Rite of Willermoz.