Jorge Mario Bergoglio was born in Flores, a barrio of Buenos Aires. He was the eldest of five children of Mario Jose Bergoglio, and his wife Regina Maria Sivori. His father was an Italian immigrant and his mother was the daughter of Italian immigrants.
Pope Francis was the eldest of the five children in the family. Only one sister, Maria Elena, survives of his siblings.
The family of Pope Francis was far from wealthy but were not destitute. I suppose that the term 'lower middle class' would be appropriate.
Pope Francis is pope number 266.
Since Pope Francis is the first and only pope by that name, there is no need for a number after his name. If a pope in the future also decides to take the name Francis, he will become Pope Francis II and then the original Pope Francis will become Pope Francis I.
Pope Francis is the reigning pope in 2013.
Only Pope Francis and God know what Pope Francis thinks.
No, Pope Francis does not smoke.
Pope Francis has not been succeeded at the time of this answer.
Pope Francis I is from Buenos Aires, Argentina.
Pope Francis was elected pope in the Sistine Chapel.
The current Pope Francis is from Argentina.
Pope Francis, elected in 2013, is the 266th pope.