We are still being told, despite genetic evidence to the contrary, that the English invaded Britain, slaughtered the natives and took the country over for themselves.
An American called Brad Larkin looks as though he will be upsetting the apple cart as he researches Irish dna and tries to match the various groups up to the various people who entered Ireland in the past and according to the Irish Annals.
Unlike Haplogroups G and I, Haplogroup R went on a much longer journey and got to Europe and Ireland much later in time.
• R-L21 arrival in Ireland estimated as 2,000 bc based on R1b SNP variations across geographies.
Taken from DNA vs the Irish Annals, Brad Larkin . Here's the youtube versionhttps://www.youtube.com/watch?v=JvYagRMu7b0
The point he is making is that the 'Celtic' dna so called Rb or L21 only came to Europe and Ireland a couple of thousand years BC.
Could Tuatha Dé Danann be early Haplogroup I-M223 hunter-gatherers?
Could Fir Bolg be neolithic farmers with G2a Y-DNA?
Does Milesean invasion correspond with late arriving, metal-working, warrior culture of Celts with R-L21 Y-DNA?
Nothing conclusive, but a case can be made that modern DNA has some consistency with Irish origin stories such as the Lebor Gabála Érenn.
There were two main groups in Ireland thousands of years before that. Group G and Group 'I'. Group 'G' is only about two percent and 'I' about twelve percent.
Ignoring group 'G' which he thinks came in with the farmers it is worthwhile pointing out that group 'I' is recognised as the only European dna. It arose in Europe at some point after the ice age and is concentrated in the Germanic areas. Mainly Norway and north Germany. It spreads out from this area and gets smaller as it spreads.
If this dna group is connected with Germanic languages and culture this means that there were Germanic speakers in Ireland before the 'Celts' arrived. The same goes for the rest of Britain. In fact now we know the extent of Doggerland it makes sense to picture a common culture spreading from what is now Europe across to Britain and Ireland.
The Time Team video of Doggerland even shows two examples of fish spears which are identical. One found off the coast of Denmark the other off the coast of England leading Tony Robinson to exclaim that there must have been a common culture.
And somebody has conveniently put a video on youtube to show the extent of the 'I' groups since the ice age. Before and after. Complete with annoying music.https://www.youtube.com/watch?v=97AjbjCF_C4https://www.youtube.com/watch?v=_UQKL9j0GcQ