Many people wonder how people know other people who are related to them, but are unsure how or, at least, how to talk about them. Here is a handy chart that may help you label your relatives accurately.
The basics are pretty simple:
- Siblings (brothers and sisters) share parents
- First cousins share grandparents
- Second cousins share great-grandparents
- Third cousins share 2x-great-grandparents
- and so on…
The term “once removed” means separated by one generation, so your father’s first cousin is your first cousin once removed (their grandmother is your great-grandmother). But your father’s first cousin’s child is your second cousin (that same woman is great-grandmother to both of you).
In this diagram, you are are always represented by the block labeled “You”. Note that some people say “grand-uncle” or “grand-niece” instead of “great-uncle” or “great-niece”. Both are correct.
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