Complex sentence: She was left alone by the death of her mother in 1884, and was married in July, 1890, to Lucius D. Alden, an early school-mate but long a resident on the Pacific coast, and she still occupies her father's homestead.
Split into simpler sentences: She was left alone by the death of her mother in 1884. In July, 1890, she married Lucius D. Alden, an early schoolmate who had relocated to the Pacific coast, but she continued to live at her father's homestead.