I'm not sure of the information as they are not in my Allen line. I have not researched the Elizabeth City County Allens. I did find more on William Allen's will.
TYLER’S QUARTERLY, Vol. 19, #2, October 1937 p.110/111 **** Will of William Allen of Elizabeth City County, 1731 - wife Elinor, negro woman Sue; ½ lot of land in Hampton to two sons, John and Anthony; rest of estate equally divided between all children - Anthony Elizabeth, Sarah, Thomas and Anne Allen - all not of age; dau. Mary Henry; dau. Anne Allen; dau. Jane Allen - not of age. William, Henry and wife co-executors.