NOT REALLY, BUT IF THE GUY HAS A H1, HIS WIFE SHOULD BE UNDER H-4, FOR TRAVEL BENEFITS WITHOUT HAVING TO APPLY FOR ADVANCE PAROLE. BUT THE DEPENDENT OF H1-B, H4 CANT WORK IN STATES. THE TIME FRAME IS SAME, WHEN YOU FILE FOR GREEN CARD, THE GUY HAS TO PUT HIS WIFE NAME, OR HIS KIDS, SO THEY ALLGET THE GREEN CARD AT THE SAME TIME, OR IN FEW CASES , FEW MONTHS AFTER.