Complex sentence: Because of the nature of FiF and because of the nature of Anglo-Catholic theology regarding ordination of women there is indeed a significant overlap in the two, however, the membership base of FiF is not exclusively Anglo Catholic nor is it based along churchmanship lines.
Split into simpler sentences: Because of the nature of FiF and because of the nature of Anglo-Catholic theology regarding ordination of women there is indeed a significant overlap in the two. The membership base of FiF, however, is not exclusively Anglo Catholic nor is it based along churchmanship lines.