Brothers and Sisters I have None ::

Looking at a portrait of a man, Harsh said, "His mother is the wife of my father's son. Brothers and sisters I have none." At whose portrait was Harsh looking? 

Jagat is the brother of Priya and Priya is the daughter of Sachin. So. Jagat is the son of Sachin. Now, Rajan is the brother of Sachin. 

Thus, Rajan is the uncle of Jagat 

E is the daughter of C and D is the son of C. So, F, who is the maternal uncle of D, is also the maternal uncle of E. 

Thus, E is the niece of F. 

A is the son of B and D is the son of the sister of B. So, A is the cousin of D. 

S is daughter of P and sister of T. So, T is daughter of P. 

Now, the sister of P is the daughter of M. This means that P is also the daughter of M. Clearly, T is the granddaughter of M. 

So, M is the Grandfather or Grandmother of T. 

 Clearly, the only daughter or Monika's father is Monika herself 

So, Rahul's mother is Monika 

Thus, Monika's husband is the father of Rahul. 

Anil is the brother of Daya and Days is the son of Chandra. 

So, Anil is the son of Chandra Now, Bimal is the father of Chandra. 

So, Anil is the grandson of Bimal. 

T is the brother of S, who is the daughter of R. So, T and S are the children of R. 

Now. Q is the brother of R. So, T and S are the cousins of Q. 

A is the sister of B and B is the daughter of C.

So, A is the daughter of C. Also, D is the father of C.

So, A is the granddaughter of D.