Study casts doubts on habits of ancient Irish clans

Stonehenge and the Pyramids of Giza, Newgrange is believed to have been built by a farming community that prospered in the Boyne Valley, Co Meath, some 5,000 years ago.

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Dated to 3340-3020 BC, the skull fragment, referred to as NG10, revealed the rare case of incest, which led to claims in 2020 that the individual was a high-status ruler, with press coverage dubbing them a "god-king."

However, Professors Smyth and Carlin argue that these conclusions relied heavily on unsuitable comparisons with hierarchical societies where incest was limited to ruling families, such as in ancient Egypt.