1) Family sponsorhip: 
Yes. If you are getting sponsorship then consider the family (i.e wife and kids) sponsored.
2) Bonus eligible or not and how much if yes 
HSBC & DB figures - 6 months sal for nice job, 10 months for Good, 14 - 18 mons for great/excellent.

CBQ & MAR figures - 6 - 8 months salary avg., 12 - 15 mons for great. But these banks provide other special catches (like higher sals)

Full Bonuses elligible only if you join before September. And depends alwez on the overall yearly performance of the respective banks.
3) Appraisal frequency
Bonus - Yearly(above mentioned).

Special bonuses - Quarterly(Based on Individual performance)