Relationship Calculator for Living Family Members
Relationship Chart

Use the chart below to determine the relationship between you and another relative.

  • Determine the common ancestors you and the other person share.
  • Starting with your common ancestors in the upper left corner, find yourself across the top and note the column.
  • Again starting with your common ancestors in the upper left corner, find the other person down the left side and note the row.
  • Go to the box where your column and their row coincide.
  • This is the relationship you share with the other person.

Common Ancestor Child Grandchild Great Grandchild G-G Grandchild G-G-G Grandchild G-G-G-G Grandchild
Child Sibling Niece/ Nephew Grand Niece/ Nephew Great Grand Niece/ Nephew G-G Grand Niece/ Nephew G-G-G Grand Niece/ Nephew
Grandchild Niece/ Nephew First Cousin First Cousin Once Removed First Cousin Twice Removed First Cousin Thrice Removed First Cousin Four Times Removed
Great Grandchild Grand Niece/ Nephew First Cousin Once Removed Second Cousin Second Cousin Once Removed Second Cousin Twice Removed Second Cousin Thrice Removed
G-G Grandchild Great Grand Niece/ Nephew First Cousin Twice Removed Second Cousin Once Removed Third Cousin Third Cousin Once Removed Third Cousin Twice Removed
G-G-G Grandchild G-G Grand Niece/ Nephew First Cousin Thrice Removed Second Cousin Twice Removed Third Cousin Once Removed Fourth Cousin Fourth Cousin Once Removed
G-G-G-G Grandchild G-G-G Grand Niece/ Nephew First Cousin Four Times Removed Second Cousin Thrice Removed Third Cousin Twice Removed Fourth Cousin Once Removed Fifth Cousin