Complex sentence: Admiral Thomas Cochrane's nephew Admiral Sir Thomas John Cochrane (1779-1872) lived at Quarr Abbey House and his daughter Minna was lady-in-waiting to Princess Beatrice, youngest daughter of Queen Victoria.
Split into simpler sentences: Admiral Thomas Cochrane's nephew Admiral Sir Thomas John Cochrane (1779-1872) lived at Quarr Abbey House. His daughter Minna was lady-in-waiting to Princess Beatrice, youngest daughter of Queen Victoria.