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Sample Information

I8091
I8091
USA_MD_Catoctin_AfricanAmerican_oHighEuropean
1825 AD
F
USA
-
Cemetery for Enslaved at Catoctin Furnace (Maryland)

Haplogroups

Not determined
L4b2b1
1800-1850 CE

Ancestry Components

Estimated ancestral proportions from ancient reference populations
Sub-Saharan
76.8%
Steppe
10.8%
ANF
4.8%
Iberomaurusian
2.8%
WHG
1.6%
CHG/Iran N
1.4%
EHG
0.9%
Natufian
0.8%

Publication

HarneyBioRxiv2022,HarneyScience2023; HarneyReichBioRxiv2022; HarneyReichScience2023

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

Good Β· Distance: 0.0212

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

Yoruba 40.8%
Gambian 36.9%
Yamnaya_RUS_Samara 12.9%
TUR_Tepecik_Ciftlik_N 6.8%
WHG 2.3%
IRN_Ganj_Dareh_N 0.3%

Ancient Population Distances

Closest ancient reference populations
KEN_IA_Deloraine
0.1443
KEN_Kakapel_300BP
0.1690
TZA_Pemba_600BP
0.1761
COG_Kindoki_230BP
0.1766
COG_NgongoMbata_220BP
0.1806
UGA_Munsa_500BP
0.1909
ZAF_400BP
0.1915
BWA_Xaro_1400BP
0.1948
KEN_400BP
0.1973
BWA_Taukome_1100BP
0.2120
KEN_Pastoral_IA
0.2127
KEN_Kakapel_900BP
0.2175
KEN_LSA
0.2382
ETH_Mota
0.2396
KEN_Nyarindi_3500BP
0.2445

Modern Population Genetic Proximity

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

Archaeological Site Location

39.5810, -77.4340

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