Reasoning :Blood Relations Tips

Problems on Blood Relations involve analysis of information showing blood relationship among members of a family. In the questions, a chain of relationship is given in the form of information and on the basis of these information relation between any two members of the chain is asked from the candidate. Candidates are supported to be familiar with the knowledge of different relationship in a family.

For the easy understanding of the candidates a table containing few main relations is given here under. The study of the table will prove to be very useful for the candidate in solving questions on Blood Relation.

Representation of  blood relation

Generation	Male	Female
Three generations above ↑↑↑	Great grandfather Maternal great grandfather Great grandfather-in-law	Great grandmother Maternal great grandmother Great grandmother-in-law
Two generations above ↑↑	Grandfather Maternal grandfather Grandfather-in-law	Grandmother Maternal grandmother Grandmother-in-law
One generations above ↑	Father Uncle Maternal Uncle Father-in-law	Mother Aunt Maternal Aunt Mother-in-law
Current Generation (Self) →	Husband Brother Cousin Brother-in-law	Wife Sister Cousin Sister-in-law
One generation below ↓	Son Nephew Son-in-law	Daughter Niece Daughter-in-law
Two generations below ↓↓	Grandson Grandson-in-law	Granddaughter Granddaughter-in-law
Three generations below ↓↓↓	Great grandson Great grandson-in-law	Great granddaughter Great granddaughter-in-law

Important Blood Relations

Father of grandfather or grandmother	Great grandfather	Daughter of father or mother	Sister
Mother of grandfather or grandmother	Great grandmother	Son of second wife of father	Step brother
Father of father or mother	Grandfather	Daughter of second wife of father	Step sister
Mother of father or mother	Grandmother	Son/daughter of uncle/aunt	Cousin
Wife of grandfather	Grandmother	Brother of husband or wife	Brother-in-law
Husband of grandmother	Grandfather	Sister of husband or wife	Sister-in-law
Father-in-law of father/mother	Grandfather	Husband of sister/sister-in-law	Brother-in-law
Mother-in-law of father/mother	Grandmother	Son of father	Oneself/Brother
Father’s father/mother only	Father	Mother of son/daughter	Oneself/Wife
Only daughter-in-law of father’s father/father’s mother	Mother	Father of daughter/son	Oneself/husband
Husband of mother	Father	Son of son of grandmother/grandfather	Brother/Oneself /Cousin
Wife of father	Mother	Daughter of son of grandmother/grandfather	Cousin/Oneself /Sister
Second wife of father	Step mother	Son of brother or sister	Nephew
Brother of father	Uncle	Daughter of brother/sister	Niece
Brother of mother	Maternal Uncle	Grandson of father/mother	Son/Nephew
Sister of father	Aunt	Granddaughter of father/mother	Daughter or Niece
Sister of mother	Maternal Aunt	Husband of daughter	Son-in-law
Husband of aunt	Uncle	Wife of brother/brother-in-law	Sister-in-law
Wife of uncle	Aunt	Wife of son	Daughter-in-law
Son of grandfather/grandmother	Father/Uncle	Son of son/Daughter	Grandson
Daughter of father-in-law/mother-in-law of father	Mother/Aunt	Daughter of son/Daughter	Granddaughter
Father of wife/husband	Father-in-law	Son’s/Daughter’s grandson	Great Grandson
Mother of wife/husband	Mother-in-law	Son’s/Daughter’s granddaughter	Great granddaughter
Children of same parents	Siblings	Son of father or mother	Brother
Father’s/Mother’s only son/daughter	Oneself

The rules that you should know to solve the blood relation problem is given below

Relation	Commonly used Terms
Grandfather’s or Grandmother’s only son	Father
Grandfather’s or Grandmother’s only daughter-in-law	Mother
Father’s or Mother’s father	Grandfather
Father’s or Mother’s mother	Grandmother
Father’s or Mother’s brother	Uncle
Father’s or Mother’s sister	Aunt
Son’s wife	Daughter-in-law
Daughter’s husband	Son-in-law
Husband’s or Wife’s Sister	Sister-in-law
Husband’s or Wife’s brother	Brother-in-law
Brother’s wife	Sister-in-law
Brother’s or Sister’s son	Nephew
Brother’s or Sister’s daughter	Niece
Uncle’s or aunt’s son or daughter	Cousin
Sister’s husband	Brother-in-law
Brother’s wife	Sister-in-law
Grand son’s or grand daughter’s daughter	Great Grand Daughter
Grand son’s or grand daughter’s son	Great Grand Son