> originally essentially yes i think, but proto-germanic is like dated to around 500bc, so it took thousands of years, mostly within scandinavia, to take its peculiar form, grimm's laws and all what they are detecting is that, seemingly, you had at some point three main clusters in scandinavia fairly neatly correlated with y-dna, but ultimately it would seem the one rich in i1 from sweden is the most relevant for proper proto-germanic and takes over
Italy