One I-130 for her category(F4-1)
you just need to list her family member in the form, but who will be eligible as dependents when the visa number is available will depend on the age (her children's) and relationship (her hu*****and) at THAT time.
you just need to list her family member in the form, but who will be eligible as dependents when the visa number is available will depend on the age (her children's) and relationship (her hu*****and) at THAT time.