Sample Information

SWA002
SWA002
Netherlands_Swifterbant_EN
4105 BC
M
Netherlands
-
Swifterbant S2 (Flevoland, Dronten, Swifterbant); Swifterbant S2

Haplogroups

I2a1a2
Not determined
I β€Ί L758 β€Ί M170 β€Ί P215 β€Ί CTS2257 β€Ί L460 β€Ί P37 β€Ί M423
4200-4000 BCE

Ancestry Components

Estimated ancestral proportions from ancient reference populations
ANF
54.4%
WHG
33.6%
Steppe
4.4%
EHG
4.0%
CHG/Iran N
2.3%
East Asian
1.2%
Natufian
0.1%

Publication

OlaldeReichNature2026

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 Β· Distance: 0.0377

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

TUR_Barcin_N 48.4%
WHG 40.9%
Yamnaya_RUS_Samara 4.9%
TUR_Tepecik_Ciftlik_N 4.6%
Han 1.0%
MAR_Taforalt 0.3%

Ancient Population Distances

Closest ancient reference populations
Belgium_MLN
0.0409
Czechia_EBA_CordedWare_o2
0.0527
Czechia_C_Baalberge_o1
0.0549
Czechia_N_Rivnac_oWHG
0.0554
Denmark_Jutland_Pre_Roman_IA
0.0569
Belgium_Pommerœul_LN
0.0571
Czechia_N_Jordanow
0.0651
Bulgaria_MalakPreslavets_N_oLowEEF
0.0666
Denmark_Funen_N
0.0693
Czechia_N_GlobularAmphora
0.0750
Bulgaria_MalakPreslavets_N
0.0780

Modern Population Distances

Closest modern reference populations (G25 Euclidean distance)
Basque_Spain_Navarre_Northwest_(n=11)
0.0893
Basque_Spain_Gipuzkoa_Southwest_(n=11)
0.0896
Basque_Spain_Gipuzkoa_Tolosa_(n=9)
0.0914
Basque_Spain
0.0914
Basque_France_Labourd_(n=11)
0.0920
Basque_Spain_Gipuzkoa_Central_(n=11)
0.0920
Basque_Spain_Navarre_Roncal_(n=11)
0.0927
Basque_France
0.0931
Basque_France_Lower_Navarre_(n=11)
0.0934
Basque_Spain_Biscay_(n=11)
0.0936

Modern Population Genetic Proximity

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

Archaeological Site Location

52.5839, 5.5817

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