Haplogroup I-Z63
The year 2600 BCE marks the estimated formation of Haplogroup I-Z63 according to genetic analysis by YFull. This calculation relies on volunteer samples from YDNA sequencing projects conducted in recent decades. The Time to Most Recent Common Ancestor for this lineage stands at approximately 4,400 years before present. Researchers place the geographic origin of the progenitor within ancient Jutland. A specific archaeological sample labeled CGG106524 provides physical evidence near Hjørring in Denmark. C14 dating places this individual's life between 400 and 220 BC during the pre-Roman Iron Age. The sample belongs to subclade PH3482 which formed roughly 2,800 years ago. Current distribution patterns suggest a very high concentration of this DNA on the British Isles today.
Schleswig Rathausmarkt excavation in Germany yielded sample SWG007 from grave 179 dated between 1070 and 1140 CE. Stockholm University published data regarding six Viking Age samples found on Gotland island in the Baltic Sea. These samples belong to branch I-FT140572 which formed around 350 BCE. Five of these samples helped create new branch I-FTJ74 sharing two single nucleotide polymorphisms. Bodzia Cemetery in Poland contained burial E864/I belonging to subclade I-S2077 from circa 1010 to 1020 AD. Strontium analysis of teeth enamel indicates the buried man was not local to the region. Zeytinliada 14832 represents an adult living between 600 and 1000 CE near Erdek Turkey. Collegno Italy holds a late sixth century cemetery associated with Gothic and Lombard remains. Tiszafüred 798 in Hungary dates to between 700 and 800 CE under the Avar cultural group.
Wielbark culture sites in Poland connect directly to the Goths through archaeological findings at Kowalewko. Three individuals out of sixteen tested at this site belonged to subclade I-L1237. The Gutasaga text from the thirteenth century describes inhabitants leaving Gotland for mainland Europe. Asser wrote in his Life of Alfred in 893 that Jutes were synonymous with Goths. Primary sources refer to Geats by alternative names such as Iútan or Iótas. Large burial sites found near Willenberg Prussia after 1945 belong to either Goths or Gepids. This evidence supports the theory linking Gothic migration patterns to British settlement. The Jutish hypothesis suggests these groups may be identical to the Geats of southern Sweden. Their movement explains why modern Britain shows high concentrations of this specific lineage.
King Hacon of Norway arrived in Jutland during the year 945 and slew many local people. Survivors fled far up into the land creating a demographic shift away from the ancient homeland. The Jutes invaded and settled southern Britain in the late fourth century during the Age of Migrations. Foreign invaders displaced the original population explaining the relative lack of I-Z63 in modern Denmark today. Sizable numbers of men carrying this DNA live in Finland, Norway, Sweden and Aland instead. The current distribution clearly shows a near absence of this haplogroup within modern Danish borders. This pattern contradicts geographical expectations since Denmark encompasses the ancient Jutish territory. The displacement caused by King Hacon likely pushed carriers toward other regions including the British Isles.
Sample VK157 from Bodzia Cemetery links to Sviatopolk the Accursed son of Vladimir the Great. He married a daughter of Polish king Boleslaw the Great according to historical records. Strontium analysis confirms he came to Poland with the Prince of Kiev around 1018 AD. Events of that year saw Sviatopolk disappear after retreating from Kiev to Poland. Sample Zeytinliada 14832 suggests descendants of northern Europeans intermarried with local populations in Turkey. The Rus provided earliest members of the Varangian Guard serving Byzantium from as early as 874. Avar cultural group under khagan Bayan allied with Longobards defeating Gepides in Danube Plains in 565 AD. These connections suggest plausible pathways for I-Z63 movement into Eastern Europe and the Mediterranean region.
The Hamilton DNA Project includes hundreds of participants tracing roots back to Walter fitz Gilbert of Hambledon. Sir James Hamilton fifth Laird of Cadzow serves as progenitor for branches holding titles like Duke of Abercorn. One branch passed dukedom to Clan Douglas in 1895 after the twelfth Duke died without male heir. Chester Arthur served as twenty-first president of the United States between 1829 and 1886. His lineage belongs to haplogroup I1-Z63 based on results from the Arthur family DNA project. Richard Bradberry lived between circa 1775 and 1826 in King William County Virginia. Governor William Bradford led Plymouth Colony as a Mayflower passenger. At least two reported descendants have tested positive for subclade Y21370 within this broader genetic cluster.
Up Next
Common questions
When did Haplogroup I-Z63 form according to genetic analysis?
The year 2600 BCE marks the estimated formation of Haplogroup I-Z63 according to genetic analysis by YFull. This calculation relies on volunteer samples from YDNA sequencing projects conducted in recent decades.
Where is the geographic origin of Haplogroup I-Z63 located today?
Researchers place the geographic origin of the progenitor within ancient Jutland. Current distribution patterns suggest a very high concentration of this DNA on the British Isles today.
What archaeological evidence supports the history of Haplogroup I-Z63?
A specific archaeological sample labeled CGG106524 provides physical evidence near Hjørring in Denmark. C14 dating places this individual's life between 400 and 220 BC during the pre-Roman Iron Age.
Why does modern Denmark show low levels of Haplogroup I-Z63 despite being its origin?
Foreign invaders displaced the original population explaining the relative lack of I-Z63 in modern Denmark today. The displacement caused by King Hacon likely pushed carriers toward other regions including the British Isles.
Which historical figures are linked to subclades of Haplogroup I-Z63?
Sample VK157 from Bodzia Cemetery links to Sviatopolk the Accursed son of Vladimir the Great. Chester Arthur served as twenty-first president of the United States between 1829 and 1886 with lineage belonging to haplogroup I1-Z63 based on results from the Arthur family DNA project.
All sources
37 references cited across the entry
- 1webI-Z63 YTree
- 2biorxivSteppe Ancestry in western Eurasia and the spread of the Germanic LanguagesHugh McColl et al. — 2024-03-14
- 3journalFinnish population genetics in a forensic contextNeuvonen Anu — 2017-06-02
- 4journalVestiges of an Ancient Border in the Contemporary Genetic Diversity of North-Eastern EuropeAnu M. Neuvonen et al. — 2015-07-01
- 6journalUnderstanding 6th-century barbarian social organization and migration through paleogenomicsCarlos Amorim — 2018-09-11
- 8webI-Y7627 YTree
- 10bookHistory of the Vikings and Norse CultureNjord Kane — Spangenhelm Publishing — 2019-09-02
- 11webchannel4.com - Time Team - Jutes2011-06-28
- 15journalThe Anglo-Saxon migration and the formation of the early English gene poolJoscha Gretzinger et al. — 2022-09-21
- 16journalBeyond the Binary? A Multi-Method Approach to Sexing Children at the Viking Age Site of Ihre, GotlandMarieke Ivarsson-Aalders et al. — 2025-08-05
- 19bookViking Rus: Studies on the Presence of Scandinavians in Eastern EuropeWladyslaw Duczko — BRILL — 2004-01-01
- 21webEupedia25 August 2022
- 22journalThe genetic history of the Southern Arc: A bridge between West Asia and EuropeIosif Lazaridis et al. — 2022-08-26
- 23journalConnection between Wielkopolska and the Baltic Sea Region in the Roman Iron AgeMilena Teska — January 2013
- 25citationPaleogenomic Evidence for Genetic Heterogeneity and Prior Admixture in Gothic-Associated Communities of Late Antique BulgariaSvetoslav Stamov — 2026-03-05
- 27journalInference of Population Structure using Dense Haplotype DataDaniel John Lawson et al. — 2012-01-26
- 28journalAncient Rome: A genetic crossroads of Europe and the MediterraneanMargaret L. Antonio et al. — 2019-11-08
- 29journalThe genetic origin of Huns, Avars, and conquering HungariansZoltán Maróti et al. — 2022-07-11
- 30bookLes nomades: les peuples nomades de la steppe des origines aux invasions mongoles (IXe siècle av J.-C.-XIIIe siècle apr. J.-C.)Iaroslav Lebedynsky — Éditions Errance — 2003
- 31journalPopulation genomics of the Viking worldAshot Margaryan et al. — September 2020
- 33webEupediaMaciamo
- 35webEupediaMaciamo