Much of the questionnaire is borrowed from here: http://dungeonsmaster.com/2010/11/27-questions/
Name?
How old is your character?
Are your parents still alive?
Do you have any siblings?
What do your siblings do?
Is your character married?
Does your character have children?
What social class is your character from?
How has their upbringing affected their world view?
How did your character get started in their chosen class?
Does your character have any significant personal items?
Is your character religious?
Is your character guided by a prophecy?
What is your character’s view on magic?
Has your character ever served in the military?
Has your character ever been arrested? What for?
How did your character meet her current adventuring companions?
Has your character ever crossed anyone?
Does your character have any enemies?
What are your character’s goals in life?
How important is the accumulation of wealth?
If your character died tomorrow what would they be remembered for?
Where did your character learn or train their skills?
Most notable physical trait/characteristic?
Name a specific, notable (public or not) memory/regret
Five adjectives about your character's personality?