Complex sentence: In 1938, William Leigh's granddaughters, Blanche and Beatrice sold the house-and what was left of the estate-to the Barnwood House Trust who intended to convert the Mansion into a mental hospital but subsequently this plan was shelved.
Split into simpler sentences: In 1938, William Leigh's granddaughters, Blanche and Beatrice, sold the house-and what was left of the estate-to the Barnwood House Trust. They intended to convert the Mansion into a mental hospital, but subsequently this plan was shelved.