Complex sentence: Jane Walsh, born c.1905 in the slums of Oldham, northern England, was left a widow at the age of 40, after many years of living with her husband and their three children, the youngest of whom was crippled by polio.
Split into simpler sentences: Jane Walsh, born c.1905 in the slums of Oldham northern England. She was left a widow at the age of 40, after many years of living with her husband and their three children, the youngest of whom was crippled by polio.