Indo European culture started around Russia, Ukriane, and the northern middle east from 6,000-8,000ybp. Yamna culture which started 5,600ybp probably was not the first Indo Europeans but they were very early Indo Europeans.

Map of Yamna culture


Yamna culture gave birth to Corded ware culture about 5,000ybp which is included in that map it also coexisted with Corded ware. Corded ware culture was able to conquer most of eastern and central Europe and southern Scandinavia. Yamna culture also gave birth to Sinshta Abashevo cultures which started around 4,000-5,000ybp and made huge eastward migrations all over asia. According to the Kurgen theory Yamna is proto Indo European, Corded ware is proto Balto Slavic, and Sinshta Abashevo is proto Indo Iranian. Now that we have DNA we can see that the Indo Iranian speakers and Balto Slavic speakers are dominted by Y DNA R1a.

They are also brothers in the R1a family tree. Proto Balto Slavic is R1a1a1b1 Z283 proto Indo Iranian is R1a1a1b2 Z93. Both these haplogroups have very young age estimates dating to the time Yamna cultures decedents spread in Europe and asia. It all connects there is also a Scandinavian branch in the Balto Slavic family it is R1a1a1b1a3 not a surprise it is also mainly in southern Scandinavia were Corded ware culture existed.

We also have 4,800 and 4,600 year old Y DNA from Corded ware culture and very early Indo Iranians in west china known as tarium mummies their 4,000 years old and 3,800-3,400 year old Y DNA samples from Adronovo culture. Two 4,800 year old Y DNA in south west Poland from Corded ware one had G probably G2a and the other had I or J probably I2a1b. The 4,600 year old ones in central Germany both had at least R1a1a possibly deeper subclades. 7 Y DNA samples in west China from the tarium mummies all dating around 4,000 years old all had at least R1a1a. from three 3,800-3,400 year old Y DNA samples from Adrnovo culture in south Siberia one had Siberian C and two had R1a1a i but their subclade in a predictor it said they were at least Indo European R1a1a1 M417 and ex the major Slavic and Balto Slavic branches.

These results are not surprises at all in my opinon their prove Corded ware culture was proto Balto Slavic speaking and brought R1a1a1b1 to eastern Europe. Abashevo sinshta and all those cultures decended from Yamna culture in central asia were proto Indo iranian speaking and brought R1a1a1b2 to asia. Then what u have to do is connect them to their common ancestor Yamna culture which now we know almost without a doubt had Indo Iranian and Balto Slavic's father R1a1a1b and was dominated by it. This also probably means Balto Slavic and Indo Iranian languages form their own branch of Indo European languages and Yamna culture spoke proto Indo Iranian Balto Slavic. Well maybe not all of Ymana culture since it was so big maybe just northern Yamna culture did while southern could have spoken proto Germanic Italo Celtic and had R1b L23 and maybe Ymana culture is were all Indo European languages spread from which makes it their source and that means they originally spoke proto Indo European.

Here is a map of how Indo European R1a1a1 M417 probably migrated based on this information and the Kurgen theory which started in the 1950's. It shows how smart those Archaeologist were that they were able to figure this out all the way back in the 1950's before internet and alot of high tech stuff to help them. Now DNA has pretty much proven them correct.