Cousin and relationship chart
Pick how many generations each person is below the shared ancestor. Rows are the first person, columns the second. Parents are one generation up, grandparents two.
| First person | B: 1 | B: 2 | B: 3 | B: 4 | B: 5 | B: 6 | B: 7 | B: 8 |
|---|---|---|---|---|---|---|---|---|
| A: 1 | ||||||||
| A: 2 | ||||||||
| A: 3 | ||||||||
| A: 4 | ||||||||
| A: 5 | ||||||||
| A: 6 | ||||||||
| A: 7 | ||||||||
| A: 8 |
Select a cell to see the relationship in full.
How to read the chart
Find the closest ancestor the two people share. Count the generations from the first person up to that ancestor, then from the second person. Where both counts are one, the two are siblings. Where one count is one and the other larger, you have an aunt, uncle, niece or nephew line. From two and two upwards the pair are cousins, and the gap between the counts is the number of times removed.
Step through the rules in cousin degree and removal explained, or skip the counting and use the calculator. Every cell has a full page in the list of terms. DNA figures are theoretical averages, covered in how much DNA relatives share.