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. 2023 Jan 16;7(2):290–303. doi: 10.1038/s41559-022-01952-3

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Extended Data Fig. 2 — A. Test of streams of ancestry necessary to explain a pair of individuals from a set of reference populations for the Middle/Late Bronze Age and one Iron Age individual from Tiryns. We repeated the analysis presented in Extended Data Fig. 1 by adding to the set of reference populations (R11) ‘W. Eurasian Steppe En-BA’. This setting increased the rate of non-cladal pairs (P < 0.01; at least two streams of ancestry) only among individuals from Chania (XAN) and led us to analyse Chania in three subgroups. P values were calculated by the qpWave program applying a likelihood ratio test. No correction for multiple testing was performed. B. The PC1-PC2 coordinates from the Western Eurasian PCA displaying XAN individuals with their IDs. Those analysed separately are annotated in red letters (XAN014, XAN028 and XAN034 were grouped together and XAN030 apart).