Complex sentence: FitzGeorge's mother Sophia died on 3 February 1920, and bequeathed a gold bracelet from Augusta, Duchess of Cambridge and diamond ornaments in life interest to FitzGeorge with the remainder to Jane.
Split into simpler sentences: FitzGeorge's mother Sophia died on 3 February 1920. She bequeathed certain items of jewelry (a gold bracelet that had belonged to Augusta, Duchess of Cambridge and other diamond ornaments) in life interest to FitzGeorge with the remainder to Jane.