Question

Answer the questions based on the information given below: There are seven members R, S, T, U, V, W and X in a family, which consists of three generation and three married couples. There is no single parent in the family. T is the only son in law of R, who has only two children. X is not the child of T. R is married to W, who is the grandfather of X. U is a male. S is not the sister of U.