Complex sentence: Eastwood entered a relationship with actress Sondra Locke in 1975, and they lived together for fourteen years despite the fact that she remained married (in name only) to her gay husband, Gordon Anderson.
Split into simpler sentences: Eastwood entered a relationship with actress Sondra Locke in 1975. They lived together for fourteen years, despite the fact that Locke remained married (in name only) to her gay husband, Gordon Anderson.