Bud, The following isfuther evidence that Charles is the son of William and Catharine Ricker.
From the records of St. John's Evangelical Lutheran Church in Easton:
Ricker, Charles, widower of Easton, born same place, son of William and Catharine Ricker, married Annie Cruger of Easton, born same place, daughter of Geo. and Margaret Dingler, at Parsonage. July 12, 1868 (a widow).
Apparently Susan died and Charles remarried. He and Ann are listed in the 1880 census of Easton as; Charles Ricker, age 79, carpenter Ann, wife, 59, housekeeper