|A) A||B) F|
|C) E||D) Cant be determined|
B is the son of C but C is not the mother of B means C is the father of B A is married to C means A is the mother of B.
F is brother of B means F is son of A and C. D is daughter of A means D is daughter of A and C
Clearly. from the data available. the wife of E cannot be determined.