Complex sentence: She is Ange's personal maid, who had been serving her since childhood (until the time she was exposed as a "Norma"), she admires Ange greatly because of the kindness and compassion she showed her when they were both children.
Split into simpler sentences: She is Ange's personal maid who had been serving her since childhood until the time she was exposed as a Norma. She admires Ange greatly because of the kindness and compassion the latter showed her when they were both children.