Six members of a family A, B, C, D, E and F are Psychologist, Manager, Advocate, Jeweller, Doctor and Engineer but not necessarily in same order.
- Doctor is the grandfather of F, who is Psychologist. Manager D is married to A.
- Jeweller C is married to Advocate.
- B is the mother of F and E.
- There are two married couples in the family.
How many male members are there in the family?