Complex sentence: His son, later to become Sir Tom, then started a separate business using experience gained from his father from his home in Sunderland which became T. Cowie Plc. In 1994 the business had a turnover of £934 million.
Split into simpler sentences: His son, later to become Sir Tom, then started a separate business using experience gained from his father from his home in Sunderland. This new business became T. Cowie Plc. In 1994 the business had a turnover of £934 million.