Child - must be 21 or younger and not married to qualify for a child.

Step parent and child relationship can also qualify as Immediate Relatives if the marriage creating the parent/child relationship occurred before the child's 18th birthday.

Adopted parents and child relationship can also qualify as Immediate Relatives if the adoption took place before the child reached the age of 16.  In addition, the adopted child must have been in the legal custody if the parent for at least two years prior to filing the petition for a green card.

Orphan Child - a child is an orphan because of the death or disappearance of, abandonment or desertion by, or separation or loss from, both parents, or if the sole r surviving parent is incapable of providing the proper care and irrevocably  releases the child for emigration and adoption. The child must be under the age of sixteen (16) at the time the petition is filed on his/her behalf to classify the child as an immediate relative.