I've found two people reported to be seventh cousins who share two autosomal DNA segments:
Chr Start Location End Location Centimorgans (cM) SNPs 11 124,632,262 131,124,570 14.4 1,029 19 49,942,996 63,776,118 40.3 2,020
Is this even possible or must they have a closer connection that is not yet known?
According to this diagram (found here found here: http://isogg.org/wiki/Autosomal_DNA_statistics#mediaviewer/File:Shared_cM_Project_v2_updated.png):
Seventh cousins would only share up to 10 cM, yet strangely it says 8th cousins would share up to 16 cM. Is that an absolute upper limit or just the normal amount expected in most cases? I found this match searching across 38 kits, so there were 38*37/2 combinations to compare or 703 pairs, so a relatively low probability event is conceivable.
Note that these two people are also related more distantly in other lines as follows according to the paper trail:
- Eight cousins twice removed
- Tenth cousins once removed
- Tenth cousins twice removed