Researchers in Italy have uncovered the rare genetic ancestry of a Copper Age infant whose remains were found in a long-abandoned well in Faenza, northeastern Italy.
The study, led by Owen Alexander Higgins of the University of Bologna and published in the Journal of Archaeological Science, used advanced scientific techniques to examine the child’s teeth and bone fragments—some of the only parts to survive nearly 5,000 years underground.
The discovery of this Copper Age infant in Italy is significant not only because of the child’s age and burial context but also because it revealed an unusual maternal genetic line that was rare in Europe at the time.
The infant, believed to have been about 17 months old at death, was buried at the bottom of what once functioned as a well. Archaeologists found the partial skeleton—mainly the skull, spine, and thorax—in a fragile state. Most of the bones crumbled during excavation. Only dental crowns and small bone fragments were intact enough for further analysis.
Tooth growth offers a timeline of early life
Using dental histology, researchers reconstructed the timeline of tooth development. The condition and formation of the enamel helped pinpoint the infant’s age with a high degree of accuracy. No signs of stress or disease were detected on the enamel, indicating that the child was generally healthy until he died.
Chemical testing on the teeth was less successful. The team attempted to study trace elements such as strontium and barium, which can reveal dietary shifts like weaning. However, the enamel had absorbed too many elements from the soil, including uranium and manganese, making the original biological signals unreadable.
DNA tests proved more fruitful. A tiny fragment of compact bone yielded enough genetic material to reconstruct nearly the entire mitochondrial genome. That allowed scientists to determine the child’s sex—male—and trace his maternal ancestry.
The infant carried a rare mitochondrial haplogroup known as V+@72, a branch of the broader haplogroup V. This lineage is barely present in modern Europe and appears only sporadically in ancient populations. The same genetic marker has been found in just one other Copper Age burial, in Sardinia.
Genetic data reveals a rare maternal lineage
Proteomic analysis of enamel peptides confirmed the male sex, matching the DNA findings. However, attempts to radiocarbon date the remains failed due to poor collagen preservation.
The burial site lacked the formal structure typical of Copper Age graves, adding to the mystery. Ceramic fragments found nearby suggest the burial took place between 3600 and 2300 BCE. Without more artifacts or nearby graves for comparison, researchers remain cautious in drawing broader conclusions.
Still, the study highlights how new technologies, when combined, can pull meaningful data from even the most damaged remains. In this case, only teeth and a few bones survived, but they still revealed a detailed picture of the child’s life and ancestry.
Advanced methods rescue story from damaged remains
Higgins and his team hope future excavations in the area will uncover more about the genetic diversity of Copper Age communities in the region. The isolated find may be a peek into a much more complex story about population movements and cultural practices during one of Italy’s earliest prehistoric periods.
The case also highlights a broader challenge in archaeology: Infant remains are often the most fragile and the least studied due to poor preservation. Yet, with the right methods, they can offer rich insight into ancient lifeways, health, and heritage.
In this instance, a silent burial at the bottom of a well has given voice to a rare chapter in prehistoric Italy’s genetic past.
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