Complex sentence: Indiana does not love him, and searches for someone who will love her passionately, overlooking her cousin Ralph, who lives with her and the colonel and who has loved her steadfastly from a young age.
Split into simpler sentences: Indiana does not love him, and searches for someone who will love her passionately. She overlooks her cousin Ralph, who lives with her and the colonel and who has loved her steadfastly from a young age.