Complex sentence: Pauletta tells them that Pitorliua was the homosexual lover of the only brother of Mrs. Manubens and because of this he was castrated implying that Farriol had something to do with it.
Split into simpler sentences: Pauletta tells them that Pitorliua was the homosexual lover of the only brother of Mrs. Manubens and because of this he was castrated. She implies that Farriol had something to do with it.