1. What do your daughters do?
2. As for your wife's application: You can provide a letter of financial support + your/joint bank statements + yourjoint financial investments + your tax assessments + compelling reasons for you and your wife to leave Canada after your nephew's wedding + a small explanation why it is culturally and/or religiously important for you and your wife to attend the wedding (any ceremonies/religious rituals) + proof of relationship to your nephew + Your wife's Travel History explanation (scan any valid visas)