AncestryDNA results not showing ancestry i know i have

[calxpal]

Interesting I think Ancestry has a very strong tendency to shift DNA results North compared to other companies.

Not saying Ancestry is bad though, all DNA companies have their own problems with results.

[Grace O'Malley]

I just got my results and am puzzled to find that there is no Portuguese nor French showing up. My mother has strong Portuguese roots on her mother's side and French on her father's side. It is not that distant at all and both my mother and her sister have very obvious med features. I have also been classified as things like atlanto med. Yet here are my results:
Attachment 112900

(apologies for any incorrect terminology, I havent been on this forum in a while)

As Creoda pointed out your Ireland and also Scotland category will hold a lot of your Breton score.

Both the Ireland category and the Scotland category also cover Brittany. The reason for this is most probably because they don't have a specific Breton category and Breton's are different dna wise than the rest of France.

You can see here that Ireland also is highlighted in Brittany.



Also Scotland



Wales doesn't go down to Brittany which doesn't make sense because both Bretons and Welsh speak a Brittonic Celtic language while both Ireland and Scotland speak Goidelic Celtic languages. The main reason however is because when you compare Breton results to other French populations they don't match the French samples that they are comparing your dna to.

If you have recent Portuguese ancestry I don't know why you aren't showing some of that? I'm not sure how much Portuguese ancestry you have and how far back it is.

This is what England & Northwestern Europe cover.



Also what is more accurate are the Genetic Communities. People that have recent ancestry from certain populations will get GCs from that area so it would be interesting to see what GCs you get?

[RyoHazuki]

Ancestry seems to have the strange habit to break down everything a bit more southern shifted (at least in Europe) to its molecule so hard, til it can rearrange it into northern groups.

For example, it got everything right in my case, even down to the baltic part within my East Prussian heritage, but reconstructed my hungarian gramps into northern ethnicities. (Gedmatch effortlessly gets it right and even MyHeritage had it right)

https://i.ibb.co/bXhwyyb/Screenshot-20220212-030314.png

If I had to guess it's because the overwhelming number of customers are Anglo Americans, so their reference data reflects that. You could be a northern european with more or less farmer ancestry, or a North/South mix and ancestry will have trouble differentiating them since they're fundamentally the same ancient populations with different ratios of farmer/steppe/whg