Journals of a Time Traveller

Back to the Future: Time Travel and Haplogroup Index

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The map above highlights the area discussed in this post: Altmark, situated around the River Elbe on the North German Plain. In this post, I am exploring the journey of my matrilineage, defined by the mitochondrial DNA haplogroup H6a1a8 (specifically the private variant cluster F8693412).

This lineage could, of course, have arrived in East Anglia via several routes; I am presenting only two. In Option B, the lineage arrives via a Hallstatt bride reaching South East Britain during the Earlier Iron Age. Here, in Option A, I follow an Anglo-Saxon route. In this scenario, the lineage moved northwards from an Eastern Alpine origin and, by 500 BCE, existed within the early Jastorf culture along the River Elbe.

The Jastorf archaeological culture is often seen as connected to the emergence of later, Germanic peoples.

Did my ninety-times great-grandmother live among these people?

The Environment The landscape is a mosaic of sandy pine barrens, fertile loess soils ideal for agriculture, and the wide, unpredictable floodplains of the River Elbe. This low-lying, sandy plain is dissected by numerous tributaries, making settlement a matter of strategy. Communities cling to the ‘islands’ of higher, drier ground (Geest) to escape the seasonal flooding of the marshlands.

Climate The ‘Subatlantic’ climatic phase has taken hold; consequently, it is cooler and wetter than in previous centuries. This persistent dampness dictates every facet of life, from the construction of houses to the specific crops sown. For the Jastorf farmers, floods are a frequent and formidable seasonal hazard.

Jastorf and the Three-Aisled Longhouse

​The social unit is centered on the Three-Aisled Longhouse. These are impressive timber-frame structures with wattle-and-daub walls and thatched roofs. They are a shared space: Humans and livestock live under one roof. The cattle occupy one end, their body heat helping to warm the central living area where the hearth fire never truly goes out.

Subsistence: These are skilled farmers. They grow emmer wheat, barley, and millet, but there is an increasing reliance on flax (for linen) and gold-of-pleasure (for oil).

​Hardiness: Life is a constant negotiation with the soil. They supplement their diet with intensive foraging for acorns, hazelnuts, and wild berries.

This is a largely egalitarian, tribal society, but "big men" or local chieftains are again beginning to emerge. 

​The Cult of the Dead: Cremation is the standard. The ashes are placed in ceramic urns and are also buried in vast "urnfields." In the Altmark, these cemeteries are often reused for generations, creating a deep sense of ancestral continuity.

The Sacred Bog: The surrounding wetlands are seen as portals to the divine. It is common to deposit "votive offerings"—fine pottery, weapons, or even sacrificed animals—into the peat as gifts to deities that govern the rain and the harvest.

Back to the Future: Time Travel and Haplogroup Index

I have uncovered a fascinating narrative within my mitochondrial DNA. FamilyTreeDNA has assigned me to Haplogroup H6a1a8, and my mutation list provides a clear map of the maternal journey from the original 'Clan Mother'.

The Genetic Path

My lineage is first defined as part of the wider 'H' clan via key markers such as G2706A. The path narrows into the H6 branch, confirmed by a specific set of coding region markers: A1018G, T3594C, A4727G, and T8655C. The descent continues through H6a (C2885T) and into H6a1, identified in my HVR1 results by the T16298C marker.

The most distinctive feature of my profile—and the key to the F8693412 cluster—is a rare "reversion". While H6a1a8 is typically defined by a mutation at position 3915 (where Adenine changed to Guanine), my results show G3915A. This indicates that my specific maternal line underwent a back-mutation, returning to the ancestral Adenine. This reversion acts as a unique genetic signature, distinguishing my line from the standard H6a1a8 profile and marking my place within the F8693412 cluster.

A Shift in Perspective

This cluster represents relatively new evidence that was unavailable when I first took the mtDNA Full Sequence test. It has fundamentally changed my perspective on my maternal origins. While the standard matching system measures "genetic distance," a private variant like F8693412 can reveal deeper, more specific connections. By filtering my matches to include only those who share this variant, I have found a cohort of nine testers.

This discovery has led to a moment of "enlightenment." It is tempting to view haplogroups as monolithic waves of migration, but the reality is more nuanced. When did the H6a1a8 ancestor arrive in Britain? The presence of different private variants suggests multiple arrivals over many centuries. Some may be ancient; for instance, two H6a1a8 samples excavated in North Berwick, Scotland, date to between 196 BCE and 117 CE. However, others likely represent much more recent migrations.

Many possibilities

From East Anglia to the Continent

Of my nine genetic "cousins," only three of us can trace our maternal lines back to Europe: specifically to East Anglia, Ireland, and Austria. Upon closer inspection, the Irish link appears to be a "red herring"—the ancestor had a Northern English surname and died in England, suggesting "Plantationist" roots rather than a deep Irish origin. This leaves a striking link between England and Austria.

My own earliest recorded maternal ancestor is Anne Carter, born in Carleton Rode, Norfolk, in 1661. Her family appears to have been of "middling" status—likely local yeomanry—evidenced by her ability to marry by licence in a Norwich city church in 1684. The lineage remained endogamous within that parish for several generations, suggesting the DNA had been rooted in Norfolk long before the seventeenth century.

The Anglo-Saxon Hypothesis

A 2022 study in Nature (Gretzinger et al.) revolutionised our understanding of early medieval migration, suggesting that in Eastern England—particularly South Norfolk—roughly 75% of the population was of Continental Northern European (CNE) ancestry. These families migrated from the Netherlands, Germany, and Denmark.

Consequently, I am revising my hypothesis. My mtDNA haplotype (H6a1a8 - F8693412) likely represents a matrilineal heritage that arrived during the early medieval period—part of the Great Migration of Anglo-Saxon or Anglo-Danish peoples between the Late Romano-British and Viking eras. This represents a significant shift in the predicted path of my maternal line, and I shall be amending my records accordingly.

Perhaps an mtDNA ancestor and her daughter, recently arrived from across the North Sea at the ruined walls of Venta Icenorum?

Back to the Future: Time Travel and Haplogroup Index

Back to the Future: Time Travel and Haplogroup Index

The Cradle of the Zagros: 7,500 BCE In a mountain valley in Southwest Asia—modern-day Iran—the Aceramic Neolithic is in full bloom. As I visualize an early goat herder in this landscape, I have to ask: is this man my direct ancestor?

Roughly 9,500 years ago, my paternal lineage (identified by the Y-DNA marker L-FGC51036) likely moved through this transformative agricultural culture. A few millennia later, as the Aceramic period evolved into the Sarab and Guran cultures of the Pottery Neolithic, the next genetic variant appeared: SK1414. Following this mutation, "cousins" of my direct line radiated outward, eventually establishing separate paternal lineages in the Levant, Anatolia, the Indus Valley, and Europe.

My ancestors here were the heirs to accidental selection processes initiated much earlier by the Zarzian culture. Having survived the harsh climatic collapse of the Younger Dryas, these people emerged from their refuges to find their relationship with wild grasses deepening into a state of total interdependence. Over generations, wild flora adapted into domestic strains of einkorn and two-row barley—crops that now relied on human threshing to survive.

Simultaneously, the wild bezoar ibex was being transformed into the world’s first domestic goat. It is highly probable that this region saw the very dawn of goat domestication. These animals were perfectly evolved for the Zagros terrain, turning rugged scrub into high-quality protein for Aceramic farmers. Beyond meat, these goats may have already been exploited for dairy, supplemented by gathered legumes and wild nuts.

However, domestication was neither intentional nor entirely beneficial. While agriculture anchored people to the land and allowed for more children, it also planted the seeds of the global population explosion. In time, humans were conditioned by these new species-to-species relationships. For millennia, early farmers suffered from malnutrition, stunted growth, and zoonotic diseases that jumped from livestock to humans. The status of women often declined; skeletal remains reveal the toll of increased childbirth and the grueling physical labor of milling grain on their knees. Yet, agriculture permits a viral, expansive growth that the old ways could never match.

The Material World of the Aceramic Zagros The inhabitants of the Aceramic Zagros clung to several ancient technologies even as they innovated. They continued to produce delicate flint microliths, though toward the end of the period, they began crafting polished stone axe-heads. They had not yet adopted fired pottery; instead, much like their hunter-gatherer ancestors, they relied on woven baskets and skin bags. Yet, a shift was occurring: they had begun partially firing the clay walls of their storage pits and sculpting small clay figurines. These figures suggest that their belief systems were evolving in tandem with their economy and their changing relationship with the landscape. As visualized in the accompanying images, my ancestors were already fashioning sun-dried clay bricks to build multi-level houses within the Zagros valleys.

Historically, there has been a significant emphasis on the western "leg" of the Fertile Crescent—the Natufians, early Levantines, and Anatolians. However, the importance of this eastern leg in the Zagros has long been underrated. Many population genetics enthusiasts now suggest that Zagros Neolithic Farmers form a distinct genetic cluster that later radiated outward, carrying these foundational agricultural practices with them. I am but one of many descendants of this influential lineage.

Early Fertile Crescent. Home of West Eurasian agriculture.

Source ©  OpenStreetMaps Modified by myself.

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Back to the Future: Time Travel and Haplogroup Index