Ekaterina Geladze (familiarly known as "Keke") (1858-1937) was the mother of Joseph Stalin. She was born to a family of Georgian Orthodox Christian serfs in Gambareuli, Georgia, in 1858 and although her father, Glakh Geladze, died young and the family was always poor, somehow her mother ensured that Keke learned to read and write. Keke met and married Vissarion Jughashvili at the age of 16. Wikipedia
The definitive Wikipedia entry for Ekaterina Geladze. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Ekaterina_Geladze