He may be correct to a certain extent DJV--from Social Security site--but still think cap I mentioned before applies
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Benefits for family members
If you are getting Social Security retirement benefits, some members of your family also can receive benefits. Those who can include:
Wives or husbands, if they are age 62 or older;
Wives or husbands who are younger than 62, if they are taking care of their child entitled on your record who is under age 16 or disabled;
Former wives or husbands, if they are age 62 or older (see ?Benefits for a divorced spouse?);
Children up to age 18 or 19, if they are full-time students who have not yet graduated from high school; and
Disabled children, even if they are age 18 or older.
If you become the parent of a child (including an adopted child) after you begin receiving benefits, let us know about the child so we can decide if the child is eligible for benefits.
NOTE: Children?s benefits are available only to unmarried children. However, in certain situations, benefits are payable to a disabled child who marries someone who is also eligible as a disabled child.