Son or Daughter Law and Legal Definition
The term "son or daughter" means “a biological, adopted, or foster child, a stepchild, a legal ward, or a child of a person standing in loco parentis, who is--
(A) under 18 years of age; or
(B) 18 years of age or older and incapable of self-care because of a mental or physical disability.” (29 USCS § 2611): See also Voyles v. Lane Furniture Indus., 2009 U.S. Dist. LEXIS 66743 (N.D. Miss. July 31, 2009)