Gainum Brightwell was married three times. First to Nancy Walker in 1939 in Meigs County, TN. They had two children, James and Lucinda. Nancy died before 1850. Gainum then married Nancy Houser on 24 Sep 1850 in Meigs County, TN. They had five children (Josiah, Mary, Matilda, Amanda and Margaret). Nancy died about 1862 and Gainum then married Sarah Margaret Fulks (she was married first to James Fulks but her maiden name was also Fulks). Gainum and Sarah had two children, Minnie and Charles Gainum. Charles Gainum died in infancy, Minnie died in Texas in 1941. After Gainum died in 1870, Sarah married (?)Sheffield. She appears on the 1880 AR census as Maggie Sheffield with her son, George Fulks (by her first marriage)and her daughters Minnie Brightwell and Laura Sheffield. In 1900 she appears on the census as Sarah Sheffield, still living with her son, George Fulks.