Complex sentence: On 31 October 1833 Elliott married Julia, daughter of John Marshall of Hallsteads, Ulleswater, some of whose religious poems are given in Lord Selborne's' Book of Praise.
Split into simpler sentences: On 31 October 1833 Elliott married Julia, daughter of John Marshall of Hallsteads, Ulleswater. She was a lady of poetical talent, and some of her religious poems are given in Lord Selborne's' Book of Praise.