Directions: These questions are based on the following information. 

There are 7 members present – A, B, C, D, E, F, and G in a family of three generations in which three are married couples. C is the husband of F. D is the daughter of B. E has only one daughter. C is the son of A. E is the brother-in-law of G. B is the spouse of E. C is the grandson of E.