FAMILY BASED IMMIGRANTS
"Family Fourth Preference (F4): Brothers and sisters of United States citizens,
and
their spouses and children, provided the U.S. citizens are at least 21 years of
age.
(65,000)"
http://travel.state.gov/visa/immigrants/types/types_1306.html
looks like your mother could get in, but maybe not the child , you
you can have a look
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THIS ABOUT THE " FAMILY VISA" DID SOMEONE KNOW IT CAN HELP ME...THANK YOU