Complex sentence: They were married on September 3,1921 in Horton Bay, and spent their honeymoon at the Hemingway family summer cottage in Michigan; however, the weather was miserable and both Hadley and Hemingway came down with fever, sore throat and cough.
Split into simpler sentences: They were married on September 3,1921 in Horton Bay. They spent their honeymoon at the Hemingway family summer cottage in Michigan; however, the weather was miserable and both Hadley and Hemingway came down with fever, sore throat and cough.