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If 'A' is the brother of 'B', 'B' is the sister of 'C', and 'C' is the father of 'D', how is 'A' related to 'D'?
Father
Uncle
Grandfather
Brother
Uncle
Map siblings together (A, B, C are siblings) and trace down the parent-child line from C to D. Since A is a male sibling of the father C, A is the Uncle.
Map siblings together (A, B, C are siblings) and trace down the parent-child line from C to D. Since A is a male sibling of the father C, A is the Uncle.
Establish Sibling Lineage
A is the brother of B, and B is the sister of C. This means A, B, and C are siblings, and A is explicitly male.
Identify Parent-Child Relationship
C is given as the father of D. Therefore, C belongs to the parental generation relative to D.
Derive Final Relation
Since A is the brother of C (D's father), A is the paternal uncle of D.
A: Father is incorrect because C is the father of D. C: Grandfather is incorrect because A is in the same generation as the father, not the grandfather. D: Brother is incorrect because D is the child of C, placing A two generational steps above/sideways relative to D as an uncle.
B is correct because A is the brother of C (the father of D), making A the uncle of D.
Always consolidate sibling chains into a single group first before looking at parent-child links to prevent mixing up generational levels.