Complex sentence: The Lady Rose Victoria Birgitte Louise Gilman (née Windsor; born 1 March 1980) is the younger daughter of the Duke and Duchess of Gloucester, and is in the line of succession to the British Throne.
Split into simpler sentences: The Lady Rose Victoria Birgitte Louise Gilman (née Windsor; born 1 March 1980) is a member of the extended British Royal Family. She is the younger daughter of The Duke and Duchess of Gloucester, and is in the line of succession to the British Throne.