The wholesome, upper-class Huxtable Family includes obstetrician Heathcliff Huxtable, otherwise known as "Cliff"; his lawyer wife, Clair; and their children -- Sondra, Denise, Theo, Vanessa and Rudy. They reside in a brownstone at 10 Stigwood Ave. in Brooklyn, N.Y., where Cliff and Clair both nurture and resist their kids' nuances, maturity, and individual interests.