Blood Relations Questions

Clearly, the lady is the grandmother of man's sister's son i.e.. the mother of the mother of man's sister's son 

i.e., the mother of man's sister. So, the lady is man's mother.  

K is the father-in-law of H means H is the wife of the brother (say, J) of the daughter (say, L) of K and K is a male (brother or father of some person, say P) i.e H @ J $ L # K $ P or H @ J $ L # K & P.

Only son of woman's grandfather - woman's father;  Man's brother's father - Man's father 

So, man's father is woman's father i.e woman is the man's sister.

Asha's mother's mother is man's mother i.e.. A.sha's mother is man's sister or Asita is man's niece. 

Since the narrator has no brother, his father’s son is he himself. So, the man who is talking is the father of the man in the photograph. Thus, the man in the photograph is his son.

Brother of uncle's daughter — Uncles son — Cousin.

So, the man is Seema's cousin. 

Q is the son of R but R is not the mother. So, R is the Father of Q. P is married to R 

So, P is the wife of R and the mother of Q, X is the daughter of P and hence of R and so she is the Sister of Q, Y is the brother of R and Z is the brother of P. 

Clearly, Q is the son of P and X is the daughter of P. So, P has two children. 

Man's son's sister — Man's daughter. So, the man's daughter is the mother of the woman's husband 

Thus, the woman's husband is the grandson of the man in the photograph.