Answer the questions based on the information given below. There are seven members D, E, F, G, H, I and J in a family of three generations. There are two married couples in the family. E is the daughter of J. F is the mother-in-law of G, who is married to I. H is the husband of sister of E. I is the daughter of H. F has a daughter and a son. The gender of I and J is different.