Just entering the chat, my line is from a old winegrowing village in Luxembourg, it's name come from the celts and roman time. My surname is typically germanic but well distributed in the entirety of France (highest rate are Tarn, Pays de la Loire and Lorraine). Since Luxembourg have a long Celtic and Germanic history, and thinking it was invaded by Franks, I thought I was U106, U152, J2 or I1/2.
I first learned that Luxemburgish, while being Franconian, there was the existence of Moselle Romance in Luxembourg with more remnant in the eastern half of it.
Anyway, I was given a test, Morley, FTDNA and Cladefinder told me I was R-Z295, so DF27, something I wasn’t expecting.
FTDNA sort 4014 R1b testers in France (63%), 589 U106 (9%), 996 DF27 (16%) out of 2586 P312 (41%).
Another tester in France near Luxembourg border is Z925 like me. DF27 presence in the north and the rest of France is to be studied when there will be more testers, because it ain't only southern and it seems to be underestimated in what was Gaul before.
For Luxembourg (which is a contact point like Belgium, between germanic/celtic world), FTDNA list as it follows:
- R1b= 83 (65%)
--P312= 40 (31%)
---DF19= 6 (5%)
---U152= 18 (14%)
---L21= 3 (2%)
---DF27= 11 (9%)
----Z295= 3 (2%)
--U106= 23 (18%)
As for U106 I think we are overthinking it as Germanic. It's just a brother of P312 that conquered north of Europe while P312 was going Atlantic, speaking proto-indo-european and mixed with I1-R1a when creating proto-germanic (should be noted R1b-R1a forced their indo-european language to I1). It's high frequency is Netherlands can also match ancient celts there (Menapi, Eburones?), U106 burials were discovered during Bell Beaker (Z381 in South Holland), Unetice, and even La Tène (France; COL239; CLR23). U106 was already dominant in Holland during roman times as said by Iain McDonald.