Consanguinity

Relationship between persons descending from the same ancestor. Consanguinity refers to familial relationships such as children, siblings, cousins, grandchildren, and great grandchildren. "Removed" cousin designates when cousins are not of the same generation.

Relationship TypeDescriptionGeneration Level
ChildrenDirect descendants one generation below1
SiblingsPersons sharing the same parentsSame
CousinsPersons descended from a common ancestor but different generationsVariable
GrandchildrenDirect descendants two generations below2
Great GrandchildrenDirect descendants three generations below3
First Cousins Once RemovedCousins from different generations±1

About Consanguinity

Consanguinity is the relationship between persons descending from the same ancestor. Common examples include:

  • Children: Direct descendants one generation below
  • Siblings: Persons sharing the same parents
  • Cousins: Persons descended from a common ancestor
  • Grandchildren: Direct descendants two generations below
  • Great Grandchildren: Direct descendants three generations below

Removed Cousins

"Removed" cousin designates the cousins are not of the same generation. For example, a first cousin once removed is the child of your first cousin.