Relationship Chart
Determining the relationship between two extended family members can be challenging when children and grandchildren of cousins, nieces and nephews are involved. The chart below is a basic chart that covers three to five generations of relationships.
| Common Ancestor | Child | Grandchild | Great Grandchild |
| Child | Sibling | Niece or Nephew | Grand Niece or Nephew |
| Grandchild | Niece or Nephew | First Cousin | First Cousin Once Removed |
| Great Grandchild | Grand Niece or Nephew | First Cousin Once Removed | Second Cousin |
| 2nd Great Grandchild | Great Grand Niece or Nephew | First Cousin Twice Removed | Second Cousin Once Removed |
| 3rd Great Grandchild | 2nd Great Grand Niece or Nephew | First Cousin Three Times Removed | Second Cousin Twice Removed |
Instructions:
Step 1. Determine the common ancestor.
Step 2. Choose the relationship of person #1 to the common ancestor in the first column.
Step 3. Choose the relationship of person #2 to the common ancestor in the first row.
Step 4. Move across the columns and down the rows to the matching box. The matching box represents the relationship between the two individuals.
A 10-generation chart in PDF format and perfect for printing is available below.
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