“The stepchild, living in an orphanage, yearned for the warmth and affection of a family that they never experienced.”
“No other single event epitomizes that fact so flagrantly as does Folk Fest, the red-headed stepchild of New York's annual Outsider Art Fair.”
“At that point, Stage Fright evidently became something of a redheaded stepchild among Hitchcock's oeuvre.”
stepgrandfather
The stepfather of one's mother or father and the husband of one's grandmother, and not one's biological grandfather, especially following the death of the grandfather.
The stepmother of one's father or mother and the wife of one's grandfather, usually a woman that one's grandfather marries after death of one's grandmother.