Complex sentence: Cornelis Vreeswijk, (August 8,1937--November 12,1987) was a singer-songwriter, poet and actor born in IJmuiden in the Netherlandsthat emigrated to Sweden with his parents in 1949, at the age of twelve.
Split into simpler sentences: Cornelis Vreeswijk, (August 8,1937--November 12,1987) was a singer-songwriter, poet and actor born in IJmuiden in the Netherlands. He emigrated to Sweden with his parents in 1949 at the age of twelve.