Relatedness

8th cousin twice removed? What's that?? This diagram tries to explain relatedness, and how to work it out between you and your Ancestor.

NOTES 2G GFather = Great-Great GrandFather, G GUNC = Great-Grand Uncle, 3 COU = 3rd cousin. 3c2r = 3rd cousin twice removed. Horizontal lines are siblings, vertical lines are offspring The female side is symmetrical with this male side. [128] = Genetic separation is 128, i.e. sharing 1/128 of each other's genes. The genetic separation of 2 GG Nephew, 3 GG Father and 2 Cousin is the same [32] brothers 6G GFATHER ====================================================================== 6G GUNC [256] [512] | | | |child | brothers | 5G GFATHER ============================================================= 5G GUNC 1c7r [128] [256] [1024] | | | | |child | | brothers | | 4G GFATHER ==================================================== 4G GUNC 1c6r 2c6r [64] [128] [512] [2048] | | | | | |child | | | brothers | | | 3G GFATHER =========================================== 3G GUNC 1c5r 2c5r 3c5r [32] [64] [256] [1024] [4096] | | | | | | |child | | | | brothers | | | | 2G GFATHER ================================== 2G GUNC 1c4r 2c4r 3c4r 4c4r [16] [32] [128] [512] [2048] [8192] | | | | | | | |child | | | | | brothers | | | | | G GFATHER ========================== G GUNCLE 1c3r 2c3r 3c3r 4c3r 5c3r [8] [16] [64] [256] [1024] [4096] [16384] | | | | | | | | |child | | | | | | brothers | | | | | | GFATHER =================== GUNCLE 1c2r 2c2r 3c2r 4c2r 5c2r 6c2r [4] [8] [32] [128] [512] [2048] [8192] [32768] | | | | | | | | | |child | | | | | | | brothers | | | | | | | FATHER =========== UNCLE 1c1r 2c1r 3c1r 4c1r 5c1r 6c1r 7c1r [2] [4] [16] [64] [256] [1024] [4096] [16384] [65536] | | | | | | | | | | |child | | | | | | | | | | | | | | | | SELF ==== BRO 1 COU 2 COU 3 COU 4 COU 5 COU 6 COU 7 COU 8 COU [1] [2] [8] [32] [128] [512] [2048] [8192] [32768] [131072] | | | | | | | | | | | |child | | | | | | | | | | | | | | | | | | SON NEPHEW 1c1r 2c1r 3c1r 4c1r 5c1r 6c1r 7c1r 8c1r [2] [4] [16] [64] [256] [1024] [4096] [16384] [65536] [262144] | | | | | | | | | | |child | | | | | | | | | | | | | | | | | | | GSON GNEPH 1c2r 2c2r 3c2r 4c2r 5c2r 6c2r 7c2r 8c2r [4] [8] [32] [128] [512] [2048] [8192] [32768] [131072] [524288] | | | | | | | | | | |child | | | | | | | | | | | | | | | | | | | G GSON G GNEPH 1c3r 2c3r 3c3r 4c3r 5c3r 6c3r 7c3r 8c3r [8] [16] [64] [256] [1024] [4096] [16384] [65536] [262144] [1048576]

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