Study the following information carefully and answer the given questions:
R, S, T, U, V and W are six family members. All of them have different professions, viz Dentist, Police, Judge, Shopkeeper, Clerk and Engineer, but not necessarily in the same order.
The Clerk is the grandfather of W, who is a Dentist. U, who is in Police, is married to R. T, the Shopkeeper, is married to a Judge. S is mother of W and V. There are two married couples in the family.
How many male members are there in the family?