Logical Reasoning – Blood Relations

Blood relations:
what do you understand by blood relation? It means relationship between two persons by birth and not by marriage. In order to understand the relationships, we can divide the relationships into two sides:

  1. Maternal side: related to mother
    >>Let us understand relationships of maternal side: mother’s side
Mother’s fatherMaternal grandfather
Mother’s motherMaternal grandmother
Mother’s  brotherMaternal uncle
Mother’s sisteraunt
Children of maternal unclecousin
Wife of maternal uncleMaternal aunty
  1. Paternal side: related to father.

>>Let us understand relationships of Paternal side: father’s side

Father’s fatherGrandfather
Father’s motherGrandmother
Father’s brotherUncle 
Father’s sisteraunt
Children of unclecousin
Wife of uncleaunt
Children of auntcousin
Husband of auntuncle

Other Common Relations, which includes both:

Grandfather’s sonFather or uncle
Grandmother’s sonFather or uncle
Grandfather’s only sonfather
Grandmother’s only sonfather
Mother’s  or father’s  motherGrandmother
Son’s wifedaughter-in-law
Daughter’s husbandson-in-law
Husband’s  or wife’s sistersister-in-law
Brother’s sonnephew
Brother’s daughterniece
Uncle or aunt’s  son or daughtercousin
Sister’s husbandbrother-in-law
Brother’s wifesister-in-law
Grandson’s or Granddaughter’s daughterGreat Granddaughter



The efficiency of solving blood relation problems depends on the knowledge of blood relations. Some other important relations given below:

My mother’s or father’s sonbrother
My mother’s or father’s daughtersister
My mother’s or father’s fathergrandfather
My mother’s  or father’s sisteraunt
My mother’s  or father’s brotheruncle
My son’s wifedaughter-in-law
My daughter’s husbandson-in-law
My brother’s sonnephew
My brother’s daughterniece
My sister’s husbandbrother-in-law
My brother’s wifesister-in-law
My husband’s wife’s sistersister-in-law
My husband’s wife’s brotherbrother-in-law
My uncle’s or aunt’s son or daughtercousin
My wife’s mother or my husband’s mothermother-in-law
My wife’s father or husband’s fatherfather-in-law
My father’s wifemother
My mother’s husbandfather
My son’s  or daughter’s sonGrandson
My son’s or daughter’s daughterGranddaughter

Thanks for reading, Stay Tuned.

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