Complex sentence: Hillary was from a Yorkshire and Quaker background, his father being John Hillary of Birkrigg near Hawes and mother Mary Robinson his wife, who had three sons and six daughters, Richard being the youngest son; the physician William Hillary was the second son.
Split into simpler sentences: Hillary was from a Yorkshire and Quaker background, his father being John Hillary of Birkrigg near Hawes and mother Mary Robinson his wife. They had three sons and six daughters, Richard being the youngest son; the physician William Hillary was the second son.