Complex sentence: While filming The Farmer's Wife in 1941, Roc plunged headlong into a torrid affair with her co-star, Michael Wilding (who was later to marry Elizabeth Taylor) this hastened the collapse of his first marriage to the actress Kay Young.
Split into simpler sentences: While filming The Farmer's Wife in 1941, Roc plunged headlong into a torrid affair with her co-star, Michael Wilding (who was later to marry Elizabeth Taylor). This hastened the collapse of his first marriage to the actress Kay Young.