"Know all, that I, C. C. Claiborne, of ____________________ county, Mississippi, do hereby constitute Gerard C. Brandon, of ____________________ county, in said state, my attorney in fact to represent me in the chancery court of said county of ____________________, in all matters pertaining to the administration in said court of the estate of Phoebe Jones, in which I am interested as an heir and distributee; and I consent that all process issued from said court touching said estate may be executed on my said attorney.
"Witness my signature, the ____________________ day of ____________________, A.D. ____________________.
C. C. Claiborne."
Miss. Code § 87-3-11