Complex sentence: At Oxford, Keaton met and later married his wife, who was a mathematics student at Somerville College-and the couple later divorced, with Keaton leaving his five-year-old daughter in her mother's care.
Split into simpler sentences: At Oxford, Keaton met and later married his wife, who was a mathematics student at Somerville College. The couple later divorced, with Keaton leaving his five-year-old daughter in her mother's care.