CA Common Ancestor S Sibling (brother or sister)
C Child N Niece/Nephew
GC Grand Child GN Grand Niece/Nephew
GGC Great Grand Child GGN Great Grand Niece/Nephew
#C # Cousin (1C - 1st cousin, 2C - 2nd cousin, etc.)
#R # of times removed (1R - once removed, 2R - twice removed, etc.)
(Based on the system used by courts and most genealogical societies.)
 
 
0 1 2 3 4 5 6 7 8 9 10
0 CA C GC GGC 2 GGC 3 GGC 4 GGC 5 GGC 6 GGC 7 GGC 8 GGC
1 C S N GN GGN 2 GGN 3 GGN 4 GGN 5 GGN 6 GGN 7 GGN
2 GC N 1C 1C 1R 1C 2R 1C 3R 1C 4R 1C 5R 1C 6R 1C 7R 1C 8R
3 GGC GN 1C 1R 2C  2C 1R 2C 2R 2C 3R 2C 4R 2C 5R 2C 6R 2C 7R
4 2 GGC GGN 1C 2R 2C 1R 3C  3C 1R 3C 2R 3C 3R 3C 4R 3C 5R 3C 6R
5 3 GGC 2 GGN 1C 3R 2C 2R 3C 1R 4C  4C 1R 4C 2R 4C 3R 4C 4R 4C 5R
6 4 GGC 3 GGN 1C 4R 2C 3R 3C 2R 4C 1R 5C  5C 1R 5C 2R 5C 3R 5C 4R
7 5 GGC 4 GGN 1C 5R 2C 4R 3C 3R 4C 2R 5C 1R 6C  6C 1R 6C 2R 6C 3R
8 6 GGC 5 GGN 1C 6R 2C 5R 3C 4R 4C 3R 5C 2R 6C 1R 7C  7C 1R 7C 2R
9 7 GGC 6 GGN 1C 7R 2C 6R 3C 5R 4C 4R 5C 3R 6C 2R 7C 1R 8C  8C 1R
10 8 GGC 7 GGN 1C 8R 2C 7R 3C 6R 4C 5R 5C 4R 6C 3R 7C 2R 8C 1R 9C