"Degrees of Cousinhood"
7 | 5G Grand Father/Mother | |||||||
6 | 4G Grand Father/Mother | 4G Grand Uncle/Aunt | ||||||
5 | 3G Grand Father/Mother | 3G Grand Uncle/Aunt | 1C 5R | |||||
4 | 2G Grand Father/Mother | 2G Grand Uncle/Aunt | 1C 4R | 2C 4R | ||||
3 | Great Grand Father/Mother | Great Grand Uncle/Aunt | 1C 3R | 2C 3R | 3C 3R | |||
2 | Grand Father/Mother | Grand Uncle/Aunt | 1C !R | 2C 2R | 3C 2R | 4C 2R | ||
1 | Father/Mother | Uncle/Aunt | 1C 1R | 2C 1R | 3C 1R | 4C 1R | 5C 1R | |
0 | Brother/Sister | YOU | 1st Cousin | 2nd Cousin | 3rd Cousin | 4th Cousin | 5th Cousin | 6th Cousin |
1 | Nephew/Niece | Son/Daughter | 1C 1R | 2C 1R | 3C 1R | 4C 1R | 5C 1R | 6C 1R |
2 | Grand Nephew/Niece | Grand Son/Daughter | 1C 2R | 2C 2R | 3C 2R | 4C 2R | 5C 2R | 6C 2R |
3 | Great Grand Nephew/Niece | Great Grand Son/Daughter | 1C 3R | 2C 3R | 3C 3R | 4C 3R | 5C 3R | 6C 3R |
4 | 2G Grand Nephew/Niece | 2G Grand Son/Daughter | 1C 4R | 2C 4R | 3C 4R | 4C 4R | 5C 4R | 6C 4R |
5 | 3G Grand Nephew/Niece | 3G Grand Son/Daughter | 1C 5R | 2C 5R | 3C 5R | 4C 5R | 5C 5R | 6C 5R |
6 | 4G Grand Nephew/Niece | 4G Grand Son/Daughter | 1C 6R | 2C 6R | 3C 6R | 4C 6R | 5C 6R | 6C 6R |
7 | 5G Grand Nephew/Niece | 5G Grand Son/Daughter | 1C 7R | 2C 7R | 3C 7R | 4C 7R | 5C 7R | 6C 7R |
All cousins share a common ancestor. |
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Let us suppose that you are the grandson of that common ancestor, as seen in Box 3 of the Horizontal Scale (HS), and you want to know your relationship to a great-granddaughter , who would be seen in Box 4 on the Vertical Scale (VS). If you follow Box 4 (VS) down to where it meets the vertical pathway to Box 3 on the (HS), then where those paths cross, it tells you the relationship -- you are first cousins once removed. |
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Great-aunt or Great-uncle is a lot like second cousin: It’s common practice for people to call their grandparents’ siblings by these terms, just as they often refer to first cousins’ children as second cousins—but neither is technically correct. The proper term for your relationship to your brother’s grandchildren is grandaunt or granduncle, just like grandparent. Grand means that the relatives in question are two generations removed from one another. So aunts and uncles follow the same pattern as parents as you tack on generations: |
Parent | Aunt/Uncle | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Grandparent | Grandaunt/Granduncle | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Great-grandparent | Great-grandaunt/Great-granduncle | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Great-great-grandparent | Great-great-grandaunt/Great-great-granduncle |