Complex sentence: Wolf is attracted by her beauty and her affinity with the natural world, symbolized by her ability to whistle like a blackbird and seduces Gerda within a week of meeting her and then marries her.
Split into simpler sentences: Wolf is attracted by her beauty and her affinity with the natural world, symbolized by her ability to whistle like a blackbird. He seduces Gerda within a week of meeting her and then marries her.