Relative frequency map computed by geolocated samples from the YFull YTree v10.05 by Y Heatmap Alpha mapping software.
Note that the current implementation computes relative frequency including both ancient and modern samples:
- If we were to only count modern samples, J2b-L283 would have a significantly lower relative frequency along the Dalmatian coast.
- If we were to only count ancient samples, J2b-L283 would have a significantly higher relative frequency along the Dalmatian coast.
J2b-L283 Origins Before Europe
No hard proof yet but circumstantial evidence of our deeper geographic origins somewhere between the Caucasus and western Zagros Mountains raise the possibility of our J2b-L283 ancestors having been speakers of Indo-European languages prior to their migration to the Pannonian Plain and Balkans.
What is at least clear is that the now extinct Illyrian languages are considered to belong to the Indo-European language family, along with Albanian, and that J2b-L283 was one of the dominant haplogroups of the western Balkans and Pannonian Plain for parts of the Bronze and Iron Ages.
J2b-L283 Origins Within Europe
The Early to Middle Bronze Age Cetina culture closely fits the geographic distribution of many J2b-L283 lineages that appear to have originated in the western Balkans and have migrated to Italy, Sicily and the Ionian Sea region.
This paper is very accessible and describes the limited amount of information known so far about the wave / waves of Cetina culture migration emanating from the western Balkans so far deduced from analysis of potsherds:
All ancient samples from the Cetina culture published in the Southern Arc (Reich, Lazaridis 2022) are J2b-L283.
J2b-L283 Ancient DNA Map maintained by Flor Veseli
Newly Discovered Branching Points
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