Complex sentence: The Iron Mountain Motel was constructed in 1954-55 by contractors Oscar Leaf and Calvin Calvini for Mr. and Mrs. Michael Fornetti, whose family owned the Moon Lake Cabins north of Iron Mountain.
Split into simpler sentences: The Iron Mountain Motel was constructed in 1954-55 by contractors Oscar Leaf and Calvin Calvini for Mr. and Mrs. Michael Fornetti. The Fornetti family owned the Moon Lake Cabins north of Iron Mountain.