Gerri,I find in the research of Elsie Box (b. 1909) who was the daughter of Mansel Box (b. 1869), son of Elihu Robert Box (born 1844), son of Robert Box (b. 1820), son of Robert Box III (b. 1789), son of Robert Box , Jr. (b. abt 1760), son of Robert Box, Sr. (b. abt 1734), son of Robert Box, the elder (b. abt. 1691) a Sabra Box (b. 1832) who was a daughter of Robert Box III and Edna Harper Rose.However, it was Sabra Jane Box (b. 1853), daughter of Robert (b. 1820) and Temperance Gray Box,who married Henry Williams in Clarke Co. AR.It would have been her sister (who Elsie knew as Aunt Sis) that married Mack Williams.