What is the birthdate of this mother of three-time Heavyweight Champion, who was married to Cassius Marcellus Clay Sr.?
Cassius Marcellus Clay Sr.: Cassius Marcellus Clay (November 11, 1912 – February 8, 1990) was an American painter and musician. Cassius Marcellus Clay Sr.:  He married Odessa Lee O'Grady in the 1930s and worked as a painter and a musician. Odessa Grady Clay: Odessa Lee Clay (née O'Grady; February 12, 1917 – August 20, 1994) was the mother of three-time World Heavyweight Champion Muhammad Ali and Rahman Ali, and the grandmother of Laila Ali.
February 12, 1917