The Goths Were Not a Myth: Ancient Genomes Trace a Migration from Scandinavia to Iberia

In 551 CE, the Gothic historian Jordanes told a story about where his people came from. The Goths, he wrote, had sailed in three ships from a frozen island in the north called Scandza five centuries earlier, landed on the southern shore of the Baltic Sea and pushed south until they reached the Black Sea. Since the middle of the twentieth century, most historians have filed that account under legend. At most, they argued, a handful of elite warriors from Scandinavia or northern Poland united tribes already living along the Roman frontier, and language and culture travelled with them while the population itself largely stayed put.

On 4 November 2026, Nature published a study led by researchers at the University of Copenhagen and Leiden University that gives the genetic side of that argument its own evidence. The team sequenced 712 ancient individuals and combined them with more than 4,000 previously published genomes, arranging ancestry structure across Bronze and Iron Age Europe into time slices. It is the second paper from the same dataset to appear this week, following the Celtic-language study we covered earlier: that one looked at Celtic, this one at Gothic within the Germanic branch.

The first turning point appears in northern Poland. Around the middle of the first century CE, burials there begin to contain characteristic Gothic artefacts, and at almost the same moment the ancestry of the people buried shifts toward components resembling Iron Age Swedish populations. Guus Kroonen, a linguist at Leiden and a co-author, describes the result as “almost complete population turnover” and reads it as strong evidence that “there was initially a large migration from Scandinavia to Poland.” The timing also lines up with linguistic models, which place the split of Gothic from its sister languages about two thousand years ago.

A second point comes from southeastern Poland. Research published earlier this year in Genome Biology found that Scandinavian genetic components persisted in Gothic-style burials there between 175 and 350 CE, appearing later and further south. That pattern is consistent with Jordanes’ claim that the Goths continued south toward what is now Ukraine after landing.

A third line of evidence sits inside individual graves. A team led by Martyna Molak, an archaeogeneticist at the University of Warsaw, found that about half of the individuals they sequenced from Gothic-style burials in southern Poland carried Scandinavian-like ancestry. Peter Heather, a historian at King’s College London, calls that “a very substantial migrant component.” More telling still is a pair of burials identified as father and daughter: the father had Scandinavian ancestry, while the daughter’s DNA showed that her mother came from an unrelated group outside the region. Migrants did not merely arrive; they intermarried with local people.

The westernmost evidence lies on the Iberian Peninsula. A paper published in Cell last month reports that about one third of individuals in Gothic and Germanic-style burials across Spain carried northern European ancestry. Pablo Carrión, an archaeogeneticist at the Max Planck Institute for Evolutionary Anthropology and a co-author, says these migrants “can pretty clearly trace their roots back to this northern European or Scandinavian region.” But the numbers appear to have been small, he adds: “To have the momentum for linguistic change, you need greater numbers.”

Taken together, the three lines of evidence describe a shift in mechanism. Joscha Gretzinger, also at the Max Planck Institute, notes that as the Goths moved south toward the Black Sea and west toward Rome, “the mode changes from mass migration to elite transfers” of culture: a smaller elite carried the tradition and kept the Gothic language alive inside larger confederations. Kroonen puts it more simply. The Gothic story, he says, came in two chapters. It began with a large migration; later the incomers mingled, and the transmission of Gothic became largely a matter of culture.

The historical stakes are about direction. Late twentieth-century scholarship spent decades playing down migration and emphasising how language and culture spread among settled populations. The genomic data turn the dial back. Noel Lenski, a historian at Yale University who was not involved in the work, puts it bluntly: “What the genotyping is showing is what the ancient sources report, and what late-twentieth-century historiography has been working very hard to deny.” Historians, he argues, “have to admit the sources knew more than we thought they did.”

The outline of the history is familiar. From the second century CE, tribes identified as Goths, Getae, Gotones or Guthones fought Roman armies along the eastern frontier, and often won. In 251 CE, the emperor Decius, his son and most of his army were killed fighting Goths in what is now Romania, one of the empire’s worst defeats. A century and a half later, an army led by the Visigoths sacked Rome itself. Plunder from those campaigns, scattered from the Black Sea to northern Poland, points to a wider Gothic world bound by culture and language and now, it appears, partly by ancestry as well.

The ending is dispersal. Within a few centuries, almost every trace of Gothic rule and of the Gothic language had vanished from Iberia. What survives on the peninsula is a handful of loanwords, mostly in the vocabulary of conflict and conquest: the Spanish words for bandit, helmet and truce among them. The language died; the words stayed.

Restraint is still warranted. Jordanes also wrote that the Goths conquered Troy and met an Egyptian pharaoh, claims no genome can test. Lenski’s reading is that he may well have invented material or glued pieces together to fit the myth of a Gothic past, but that he used ancestral memory as glue, and that the Scandinavian element may be the part of that memory with historical accuracy. Beyond that, genomes can show where ancestry moved; they cannot by themselves establish which language a population spoke. The correspondence between migration and linguistic divergence remains an estimate, and the report concedes that when the migration happened is still unclear. Nor can the proportions from a single cemetery be extrapolated to the Goths as a whole.

Image: detail of the Grande Ludovisi sarcophagus, showing Roman soldiers fighting Goths, third century CE, Palazzo Altemps, Rome. Credit: Ancient Origins (public domain).