 Grenfell's wife, Dr. Clarine Coffin Grenfell, in her book "Women My Husband Married, including Marian Anderson".According to Dr. Grenfell, the wedding was originally supposed to take place in the parsonage, but because of a bake sale on the lawn of the Bethel United Methodist Church, was moved at the last minute to the Elmwood Chapel, on the site of the Elmwood Cemetery in Bethel, in order to allow the event to remain private.By this marriage she had a stepson, James Fisher, from her husband's previous marriage to Ida Gould.