2
Or it could be that the Eastern Europe component also represents old Northeastern European HG ancestry.
On Eurogenes K15 updated, the Eastern_Euro component peaks in Maris and Chuvashes, but it's the fourth highest in Selkups (https://vahaduo.genetics.ovh/k15-vahaduo.htm):
38.4 Mari
36.1 Chuvash
29.1 Erzya
28.2 Selkup
26.8 Kargopol_Russian
24.0 Latvian
23.8 RU_Pinega
23.8 East_Finnish
23.6 Ket
22.6 Shors
22.5 Southwest_Russian
22.5 Estonian_Polish
22.3 Ukraine_East
22.2 Ukrainian_Belgorod
22.2 Tatar
21.2 Lithuanian
21.2 Belorussian
20.7 Estonian
20.4 Russian_Smolensk
20.1 Polish_Masuria
19.9 Polish_Kielce
19.9 Polish
19.3 Ukrainian_Kiev_Avg
18.8 Finnish
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