Complex sentence: Aimee Mullins (born 1976 in Allentown, Pennsylvania) is an American athlete, actress, and fashion model best known for her athletic accomplishments, despite a medical condition that resulted in the amputation of both of her legs.
Split into simpler sentences: Aimee Mullins (born 1976 in Allentown, Pennsylvania) is an American athlete, actress, and fashion model best known for her athletic accomplishments. She was born with a medical condition that resulted in the amputation of both of her legs.