Complex sentence: On November 24,1892, she checked into room 304 (then 3318, now 3327), to meet with her husband who was a doctor and he was going to give her medicine for her stomach cancer, but he never arrived.
Split into simpler sentences: On November 24,1892, she checked into room 304 (then 3318, now 3327), to meet her husband, who was a doctor. He was going to give her medicine for her stomach cancer, but he never arrived.