Complex sentence: Hordern's maternal grandparents were Sir James and Fanny Murray who, upon their marriage shortly after the Indian Mutiny, moved from Buckinghamshire to Bray, County Wicklow where they had five sons and a daughter, Margaret Emily.
Split into simpler sentences: Hordern's maternal grandparents were Sir James and Fanny Murray who, upon their marriage shortly after the Indian Mutiny, moved from Buckinghamshire to Bray in County Wicklow. They had five sons and a daughter, Margaret Emily.