Answer the questions based on the information given below. In a family of three generations, there are eight members F, G, H, I, J, K, L and
M. M is the father of
L. F is married to
M. F doesn't have any sibling. K is the sister-in-law of
M. J is the mother-in-law of K. H is married to J, who has a brother. G is not the uncle of
L. How many male members are there in the family?