I am seeking information about JOHN MERCER. John Mercer, age 23, married Mary Ellen Graybill on January 11, 1881, In Montgomery County, Iowa. She was the daughter of Joseph Levi Graybill and Patience Smith. John Mercer died in 1909. His children were Sylvia Lorena, Elsie Lacy, Hazel Dell and Salathiel Pearl. I am seeking addition information about John Mercer, his siblings and his parents. Wendell Haack