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Sample Information

GRO012
GRO012
Netherlands_Groningen_Medieval_Saxon
925 AD
M
Netherlands
-
Martinikerkhof (Groningen); Groningen

Haplogroups

R1b1a1b1a1a1a1
T2b1
R M207 M173 M343 L754 L761 L389 P297 M269 L23 L51 P310 L151 U106 Z2265 BY30097 FTT8 FGC3861 Z8053 S1855
900-950 CE

Ancestry Components

Estimated ancestral proportions from ancient reference populations
ANF
40.9%
Steppe
37.5%
WHG
12.8%
EHG
3.8%
Natufian
2.2%
CHG/Iran N
2.1%
AASI
0.4%
East Asian
0.2%

Publication

gretzinger2022, GretzingerNature2022; Gretzinger et al. 2022; GretzingerSchiffelsNature2022; AkbariReichNature2026

G25 Coordinates

Download the G25 scaled coordinates for this sample to use in calculators like GEDmatch, Vahaduo, or our own calculators.

Download G25 (.txt)

G25 Ancestry Model Cached

Poor · Distance: 0.0406

Model based on Davidski's G25 standard reference populations (nMonte-style optimization).

Yamnaya_RUS_Samara 44.9%
TUR_Barcin_N 39.4%
WHG 15.6%
TUR_Tepecik_Ciftlik_N 0.1%

Ancient Population Distances

Closest ancient reference populations
Belgium_Koksijde_LateMerovingian
0.0177
Belgium_Flanders_Sint_Truiden_HighMedieval
0.0177
Belgium_Flanders_Sint_Truiden_LateMedieval
0.0222
Austria_Klosterneuburg_Roman
0.0226
Austria_ViennaBasin_Modling_Avar
0.0231
Belgium_Sint_Truiden_EarlyLateMedieval
0.0232
Denmark_Medieval
0.0234
Belgium_Flanders_Sint_Truiden_HighMedieval
0.0234
Belgium_Flanders_Sint_Truiden_PostMedieval
0.0240
Belgium_Flanders_Sint_Truiden_EarlyMedieval
0.0242
Belgium_Flanders_Sint_Truiden_HighMedieval
0.0243
Austria_Lower_Unetice_EBA
0.0244
Belgium_Flanders_Sint_Truiden_HighMedieval
0.0246
Austria_Lower_Unetice_EBA
0.0249
Belgium_StRombout_Cemetery_Medieval
0.0249
Austria_Lower_Unetice_EBA
0.0253
Belgium_Flanders_Sint_Truiden_HighMedieval
0.0255
Belgium_Koksijde_LateMerovingian
0.0255
Belgium_Koksijde_LateMerovingian
0.0257
Belgium_Flanders_Sint_Truiden_HighMedieval
0.0260

Modern Population Genetic Proximity

Heatmap based on G25 Euclidean distance to 3,000+ modern populations

Archaeological Site Location

53.2173, 6.5655

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