Complex sentence: When Penrose built the Broadmoor he had two partners, Albert E. Carlton and C.M. MacNeill, and in 1932 Spencer's El Pomar Investment Company sued the hotel and purchased it, becoming the only owner, when it went into receivership.
Split into simpler sentences: When Penrose built the Broadmoor he had two partners, Albert E. Carlton and C.M. MacNeill. In 1932, Penrose's El Pomar Investment Company sued the hotel and purchased it, becoming the sole owner, when the hotel went into receivership.