Relations of Paternal side                            Relations of Maternal side

Father’s father → Grandfather                         Mother’s father → Maternal grandfather

Father’s mother → Grandmother                     Mother’s mother → Maternal grandmother

Father’s brother → Uncle                                 Mother’s brother ->  Maternal uncle

Father’s sister → Aunt                                     Mother’s sister → Aunt

Children of uncle → Cousin                             Children of maternal uncle → Cousin

Wife of uncle → Aunt                                       Wife of maternal uncle → Maternal aunt

Children of aunt → Cousin

Husband of aunt → Uncle

Note

       Niece : Daughter of Brother or Sister

       Nephew : Son of Brother or Sister

Blood Relation Tree

1. Male to be represented by “+” Sign and Female to be represented by “-” .

2. Husband wife to be represent by double line as H --- W and Brother/sisters/cousins to be represented by single line B --- S.

3. Parents will be represented with a generation gap.

F

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S

Q1. P, Q and R are brothers. S is the sister of T and T is the son of Q. How is P related to S?

A) Brother B) Cousin C) Nephew D) Uncle E) Father

Explanation:
 

It’s clear from the family tree diagram that P is the uncle of S.

ANSWER: D

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