Dating my third cousin

For example, if the most recent common ancestor is 2 generations prior for one person and 3 generations prior for the other (one person's grandfather is the other person's great-grandfather) or the most recent common ancestor is 3 generations prior for one person and 4 generations prior for the other (one person's great-grandfather is the other person's great-great-grandfather) the cousins are separated by one generation and therefore once removed.

Two people can be removed but be around the same age due to differences in birth dates of parents children and other relevant ancestors.

Your uncle is the brother of your father or mother. Your great uncle (or grand uncle) is the brother of your grandfather or grandmother.

Your great aunt is the sister of your grandfather or grandmother.

Your great-great aunt is the sister of your great-grandfather or great- grandmother.This is the "FIRST" or "SECOND" or "THIRD" part of the cousin relationship.More generally, cousin is a type of familial relationship in which people with a known common ancestor are both two or more generations away from their most recent common ancestor.The following table summarizes the average percent DNA shared for different types of relationships according to our simulations.You may notice that several relationships share the same average percent DNA; this can account for a predicted relationship of aunt/niece for a pair of half sisters.

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