Complex sentence: The daughter of Jimmy Cooper and Julie Cooper-Nichol and sister to Marissa Cooper, her personality is more similar to her mother's rather than her father's, and she is portrayed as a regular pot smoker and occasional dealer.
Split into simpler sentences: The daughter of Jimmy Cooper and Julie Cooper-Nichol and sister to Marissa Cooper. Her personality is more similar to her mother's rather than her father's, and she is portrayed as a regular pot smoker and occasional dealer.