Complex sentence: During the years of abuse, she gave birth to four of her father's children, each in major Melbourne hospitals; one child, a girl died from severe developmental problems soon after birth, and the three surviving boys have serious health problems.
Split into simpler sentences: During the years of abuse, she gave birth to four of her father's children, each in major Melbourne hospitals. One girl died from severe developmental problems soon after birth and all surviving children have serious health problems.