Your child (biological, stepchild, adopted or foster child), sister or brother, step-sibling, half-sibling, or descendant of any of these individuals who is permanently and completely disabled, your mother or father, and it can also be your stepmother, stepfather, sibling of one of your parents, daughter-in-law, son-in-law, mother-in-law, father-in-law, sister-in-law, brother-in-law, niece, or a nephew.