Competitive Exams Reasoning

Competitive Exams – Reasoning – Blood Relations – Introduction

Blood Relations


The questions which are asked in this section depend upon ‘Relation’. You should have a sound knowledge of the blood relation in order to solve the questions.

To remember easily, the relations may be divided into two sides given below:

  1. Relations of Paternal Side:

Father’s father                              –> Grand father

Father’s mother                        –> Grand mother

Father’s brother                       –> Uncle

Father’s sister                           –> Aunt

Children of uncle                     –> Cousin

Wife of uncle                          –> Aunt

Children of aunt                      –> Cousin

Husband of aunt                      –> Uncle


  1. Relations of Maternal Side:

Mother’s father                                    –> Maternal grand father

Mother’s mother                      –> Maternal grand mother

Mother’s brother                      –> Maternal uncle

Mother’s sister                                     –> Aunt

Children of maternal uncle      –> Cousin

Wife of maternal uncle                        –> Maternal aunt


Son’s wife                               –> Daughter in law

Daughter’s husband                 –> Son in law

Husband’s (or) wife’s father    –> Father-in-law

Husband’s (or) wife’s mother –> Mother-in-law

Husband’s (or) wife’s brother –> Brother-in-law

Husband’s (or) wife’s sister     –> Sister-in-law

Sister’s husband                       –> Brother-in-law

Brother’s (or) sister’s son         –> Nephew

Brother’s (or) sister’s daughter             –> Niece

Relations from one generation to next

Generation I Grand father, Grand mother, Maternal grand father, Maternal grand mother
Generation II Mother, Father, Uncle, Aunt, Maternal uncle, Maternal aunt
Generation III Self, Sister, Sister-in-law, Brother, Brother-in-law
Generation IV Son, Daughter, Nephew, Niece


+    –> Male
–     –> Female
Û   –> Couple



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