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![](https://static.wixstatic.com/media/a5b6e8edfb63432792f48f95895df268.jpeg/v1/fill/w_1920,h_1280,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/Blood%20Test.jpeg)
Elements on this site are still under construction
The men that are focused on on this website fit in a small group that is downstream of one of the main lines of R1b haplogroup, U106. The chart below shows the main lines of the R1b Y-DNA group.
![R1b-tree.png](https://static.wixstatic.com/media/17b225_7966c6cb538848a8a7de2077ffdf480e~mv2.png/v1/fill/w_936,h_1073,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/R1b-tree.png)
The chart below includes the main lines downstream of U106. The men who fall under ZP78 come under the L257 line (at the bottom of this chart).
![R1b-U106-tree.png](https://static.wixstatic.com/media/17b225_55e5542266e04b0dbd222ee9b9a04d6f~mv2.png/v1/fill/w_940,h_394,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/R1b-U106-tree.png)
There are some relevant websites (external to this one) that have genetic information:
- U106 predicted SNP ages: Ian McDonald
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