5 married couples in a family

There are five married couples in a family and there is a child to every couple. Ages of children are - 3, 5, 6, 4 and 9 years. Names of male are - M, N, O, P and Q. Name of children are A, B, C, D and E. Name of females are G, H, I, J and K. 

• Name of M's child is not C and E and he is not the eldest and the youngest.
• Age of I's child is 6 years and her husband is one among N, O and Q. 
• Age of D is 3 years but she is not a child of O. 
• A's age is multiple of 3 but she is not a child of M and G. 
• H's husband is O or Q. 
• Age of K's child is 5 years but the name of child is not B and E. 
• G is wife of O.

What is the name of M's wife?
(1) I        (2) J           (3) G          (4) H          (5) K

Watch this space for answer in a week.