Elias T. Allen had a daughter Sarah B. Allen 1827-1875 and a second daughter Leanah (Leaner, Leannah)Allen b. 1830. Leanah married Alexander Hardy Hughes and had James and Sarah. Sarah B. married James M. Davis and had E.E., James, William, George and Sarah "Sally". Elias' son, Almarine Married Adaline Massengill and they had Elias, and Sarah. Elias' daughter Mary married John Blakely and they also had a Sarah. Elizabeth Allen married Peter Bear, and they had William M., Thomas, Nancy, Elias, John and Sarah Elizabeth.
There are several William's but I have not yet identified a William T.