Working out relationships can be complicated. This page provides three ways. If you have Javascript active, you will see a 'cousin calculator', or click on the table version for a pop-up of the chart below.

Alternatively, use this chart to track you relationship to another through a common ancestor.

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1
Common Ancestor
Son or Daughter
Grandson or Daughter
Great Grandson or Daughter
2nd Great Grandson or Daughter
3rd Great Grandson or Daughter
4th Great Grandson or Daughter
5th Great Grandson or Daughter
6th Great Grandson or Daughter
7th Great Grandson or Daughter
2
Son or Daughter
Siblings (Brother or Sister)
Nephew or Niece
Grand Nephew or Niece
Great Grand Nephew or Niece
2nd Great Grand Nephew or Niece
3rd Great Grand Nephew or Niece
4th Great Grand Nephew or Niece
5th Great Grand Nephew or Niece
6th Great Grand Nephew or Niece
3
Grandson or Daughter
Nephew or Niece
First Cousin
First Cousin Once Removed
First Cousin Twice Removed
First Cousin Three Times Removed
First Cousin Four Times Removed
First Cousin Five Times Removed
First Cousin Six Times Removed
First Cousin Seven Times Removed
4
Great Grandson or Daughter
Grand Nephew or Niece
First Cousin Once Removed
Second Cousin
Second Cousin Once Removed
Second Cousin Twice Removed
Second Cousin Three Times Removed
Second Cousin Four Times Removed
Second Cousin Five Times Removed
Second Cousin Six Times Removed
5
2nd Great Grandson or Daughter
Great Grand Nephew or Niece
First Cousin Twice Removed
Second Cousin Once Removed
Third Cousin
Third Cousin Once Removed
Third Cousin Twice Removed
Third Cousin Three Times Removed
Third Cousin Four Times Removed
Second Cousin Five Times Removed
6
3rd Great Grandson or Daughter
2nd Great Grand Nephew or Niece
First Cousin Three Times Removed
Second Cousin Twice Removed
Third Cousin Once Removed
Fourth Cousin
Fourth Cousin Once Removed
Fourth Cousin Twice Removed
Fourth Cousin Three Times Removed
Fourth Cousin Four Times Removed
7
4th Great Grandson or Daughter
3rd Great Grand Nephew or Niece
First Cousin Four Times Removed
Second Cousin Three Times Removed
Third Cousin Twice Removed
Fourth Cousin Once Removed
Fifth Cousin
Fifth Cousin Once Removed
Fifth Cousin Twice Removed
Fifth Cousin Three Times Removed
8
5th Great Grandson or Daughter
4th Great Grand Nephew or Niece
First Cousin Five Times Removed
Second Cousin Four Times Removed
Third Cousin Three Times Removed
Fourth Cousin Twice Removed
Fifth Cousin Once Removed
Sixth Cousin
Sixth Cousin Once Removed
Sixth Cousin Twice Removed
9
6th Great Grandson or Daughter
5th Great Grand Nephew or Niece
First Cousin Six Times Removed
Second Cousin Five Times Removed
Third Cousin Four Times Removed
Fourth Cousin Three Times Removed
Fifth Cousin Twice Removed
Sixth Cousin Once Removed
Seventh Cousin
Seventh Cousin Once Removed
10
7th Great Grandson or Daughter
6th Great Grand Nephew or Niece
First Cousin Seven Times Removed
Second Cousin Six Times Removed
Third Cousin Five Times Removed
Fourth Cousin Four Times Removed
Fifth Cousin Three Times Removed
Sixth Cousin Twice Removed
Seventh Cousin Once Removed
Eighth Cousin
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