Complex sentence: After the split up, Blackwell and her mother went to West Helena, Arkansas to live with Blackwell's great aunt so that Blackwell could get an education, while she lived there she often visited her father in Memphis.
Split into simpler sentences: After the split, Blackwell and her mother went to West Helena, Arkansas to live with Blackwell's great aunt so that she had the opportunity to receive an education. While Blackwell lived there she often visited her father in Memphis.