Complex sentence: The four girls and two boys weighed between 1 lb., 7 oz. and 2 lb., 2 oz. were fourteen weeks premature and were named Ursula, Shannon, Karla, Kerrie (died July 20,2009), Austin and Eoghan.
Split into simpler sentences: The four girls and two boys weighed between 1 lb., 7 oz. and 2 lb., 2 oz. and were fourteen weeks premature. Named, Ursula, Shannon, Karla, Kerrie (died July 20,2009), Austin and Eoghan.