Only one HARD in my file. Thanks Mara Descendants of Clara Hard Generation No. 1 1. CLARA1 HARD. She married CHARLES RENTFRO, son of THOMAS RENTFRO and NANCY HOWELL. Notes for CHARLES RENTFRO: A History of Johnson County Illinois by P. T. Chapman Pg. 430 Children of CLARA HARD and CHARLES RENTFRO are: i. LISTON2 RENTFRO. ii. LAVERNE RENTFRO.