Complex sentence: Lake was born in St. Mary's, Ontario, Canada into a large family, 16 siblings, which was continually affected with illness, and his memory of childhood was that there was always someone in the house either sick, dying or dead.
Split into simpler sentences: Lake was born in St. Mary's, Ontario, Canada. He was from a large family, 16 brothers and sisters, which was continually affected with illness, and his memory of childhood was that there was always someone in the house either sick, dying or dead.