Complex sentence: By 1971, Edna Stengel was showing signs of Alzheimer's disease, and in 1973, following a stroke, she was moved into a nursing home, Casey continued to live in his Glendale home with the help of his housekeeper June Bowdin.
Split into simpler sentences: By 1971, Edna Stengel was showing signs of Alzheimer's disease, and in 1973, following a stroke, she was moved into a nursing home. Casey Stengel continued to live in his Glendale home with the help of his housekeeper June Bowdin.