Assuming that your U.S. citizen daughter is over 21 (otherwise, she cannot be a petitioner), a petition for her father will be an immediate relative petition; it should be approved in 5 months to 1 year; then an interview at the U.S. Consulate in the Philippines should happen within several months. Petitions for your daughter's brothers and sisters will be in F4 category; even though approvals of these petitions will take up to 2 years, the visas will not be available for your children for about 23 years (yes, the line is that long). If you are (or can become) a U.S. permanent resident, and sponsor your children, they could get their immigrant visas (green cards) in 2.5 years (if they are under 21) or in 10 years (if they are older than 21 but not married).
Answered on Sep 28th, 2012 at 12:32 AM