blood relations

What is Blood Relation ?

Blood relation is defined as a relation with any person by birth, like our relation with brother, sister, cousin etc. Blood relation shows the different relations among the members of a family. Here, we need to analyse the information showing the blood relation among various members of a family. a chain of information related to various relationships is given, on the basis of the given information, the relation between any two members is to be determined.

Some Common Relations

RelationshipTerm Used
Father’s Son or Mother’s SonBrother
Father’s Daughter or Mother’s DaughterSister
Mother’s Brother (younger or elder)Maternal Uncle
Father’s Brother (younger or elder)Uncle (Paternal)
Father’s Sister (younger or elder)Aunt
Mother’s Sister (younger or elder)Aunt
Son’s WifeDaughter-in-law
Daughter’s HusbandSon-in-law
Sister’s HusbandBrother-in-law
Husband’s Brother or Wife’s BrotherBrother-in-law
Brother’s WifeSister-in-law
Husband’s Sister or Wife’s SisterSister-in-law
Husband’s Father or Wife’s FatherFather-in-law
Husband’s Mother or Wife’s MotherMother-in-law
Brother’s Son or Sister’s SonNephew
Brother’s Daughter or Sister’s DaughterNiece
Uncle’s or Aunt’s Son / DaughterCousin
Father’s Father or Mother’s FatherGrandfather
Father’s Mother or Mother’s MotherGrandmother
Father of Grandfather or Father of GrandmotherGreat grandfather
Mother of Grandfather or Mother of GrandmotherGreat grandmother
Important Relations and their Terms

Important Symbols

Same generation ( Horizontal )
|Generation gap ( Vertical )




⊕ ↔ ⊖ or
⊕ x ⊖
⊕ – ⊕Brothers
⊖ – ⊖Sisters
⊕ – ⊖Brother-Sister
Important Symbols

Types Of Blood Relations

Blood relations

I. Direct Relations
RelationshipTerm used
Your’s Father’s or Mother’s SonBrother
Yours’s Father’s or Mother’s DaughterSister
Yours’s Father’s or Mother’s FatherGrand-Father
Yours’s Father’s or Mother’s MotherGrand-Mother
Yours’s Father’s or Mother’s SisterAunt
Yours’s Father’s or Mother’s BrotherUncle
Yours’s Uncle’s or Aunt’s Son/DaughterCousin Brother/Sister
Yours’s Brother’s or Sister’s SonNephew
Yours’s Brother’s or Sister’s DaughterNeice
Direct Blood Relations

II. In-direct Relations
RelationshipTerm used
Yours’s Husband’s or Wife’s FatherFather-in-Law
Yours’s Husband’s or Wife’s MotherMother-in-Law
Yours’s Husband’s or Wife’s SisterSister-in-Law
Yours’s Husband’s or Wife’s BrotherBrother-in-Law
Yours’s Brother’s WifeSister-in-Law
Yours’s Sister’s HusbandBrother-in-Law
Yours’s Son’s WifeDaughter-in-Law
Yours’s Daughter’s HusbandSon-in-Law

Simple Representation of Blood Relations Through Symbols
A‘ is the Brother of ‘B‘ →A+—– B+/-
A‘ is the Husband of ‘B‘ →A+↔ B or A+ x B
A‘ is the Father of ‘B‘ →A+
A‘ is the Uncle of ‘B‘ →(+/-) —– A+
A‘ is the Cousin of ‘B‘ →(+/-) —– (+/-)
|‎‎‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‏‏‎ ‎‏‏‎ ‎‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎|
B+/- ‏‏‎ ‎
‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎‏‏‎ ‎‏‏‎ ‎A+/-
A‘ is the Father-in-Law of ‘B‘ →A+
(+/-) ↔ B+/-
A‘ is the Son-in-Law of ‘B‘ →B+/-
(+/-) ↔ A+
A‘ is the Daughter-in-Law of ‘B‘ →B+/-
(+/-) ↔ A
A‘ is the Brother-in-Law of ‘B‘ →A+↔ B —C+/-
A+—C+/-↔ B+/-
A‘ is the Sister-in-Law of ‘B‘ →A ↔ B —C+/-
A —C+/-↔ B+/-

Questions Based On Blood Relations

Type 1 : Statement Type

Q1. Pointing towards a boy, a girl says, “He is the only son of my mother’s brother”. How is the girl related to the boy?

A) GrandmotherB) Mother
C) CousinD) Aunt

Ans. C) Cousin , Because your Uncle’s Son is your Cousin

Q2. Introducing a man, a woman said, ‘He is the only son of my mother’s mother.” How is the woman related to the man ?  

A) MotherB) Aunt
C) SisterD) Niece

Ans. D) Neice Because, My mother’s mother — My grandmother: My grandmother’s only son — My maternal uncle. So, the woman is man’s niece. 

Q3. A man said to a lady, “Your mother’s husband’s sister is my aunt!! How is the lady related to the man ? 

A) DaughterB) Grand daughter
C) MotherD) Sister

Ans. D) Sister, Because, Your mother’s husband — Your father; Your father’s sister — Your aunt.  So, the lady’s aunt is man’s aunt and therefore the lady is man’s sister. 

Q4. Pointing Towards a man a woman said, “His wife is, the only daughter of my father.” How is the Man related to the woman ?

A) Sister-in-lawB) Wife
C) SisterD) Niece

Ans. B) Wife Because, Woman’s father’s Only Daughter is the Woman herself. And she is the wife of the Man. So the Man is her Husband.

Type 2 : Puzzle Type Blood Relations

Q1. There are six persons A. B, C, D, E and F. C is the sister of F. B is the brother of E’s husband. D is the father of A and grandfather of F. There are two fathers, three brothers and a mother in the group. Who is the mother ?

A) AB) B
C) CD) E

Ans. D) E Because, D is father of A and grandfather of F. So, A is father of F. Thus. D and A are the two fathers. C is the sister of F So. C is the daughter of A. Since there is only one mother, it is evident that E is the wife of A and hence the mother of C and F. So, B is brother of A There are three brothers. So. F is the brother of C. Clearly, A is E’s Husband.

Q2. A, B, C, D, E, F and G are members of a family consisting of four adults and three children, two of whom, F and G are girls. A and D are brothers and A is a doctor. E is an engineer married to one of the brothers and has two children. if is married to D and G is their child. Who is C ? 

A) A’s sonB) E’s daughter
C) F’s fatherD) G’s brother

Ans. A) A’s Son Because, E is married to A or D. But B is married to D. Thus, E is married to A. Thus, A, B, C, D, E are the four adults and C, F, G are the three children in the family. B and D have a child G. A and E have two children. They are C and F Now. only F and G are girls. So, C is a boy. Thus, C is A’s or E’s son. 

The End..

Check Out Our Other Posts

Recommended Articles

Leave A Comment

Your email address will not be published. Required fields are marked *