includes the spouse, mother, father, grandparents, sister, brother, child, or in-laws of the Covered Person.

a parent, parent-in-law, son, son-inlaw, daughter, daughter-in-law, brother, brother-in-law, sister, sister-in-law, stepson, stepson-in-law, stepdaughter, stepdaughter-in-law or step-parent

a parent, progeny or full sibling

a parent, sibling, or nondependent child

Your spouse, children (including adopted), parents and siblings and step relatives of the same degree.

A member, and spouse, child, brother, sister, or parent of member or member's spouse.