Complex sentence: Ken Arensbak (1923--1997) was a Danish-born artist who, along with his wife Neta, is best known for making figures of trolls in the Smokey Mountains of Tennessee.
Split into simpler sentences: Ken Arensbak (1923--1997) was a Danish-born artist. Who, along with his wife, Neta is best known for making figures of trolls in the Smokey mountains of Tennessee.