text: **Extended Data Fig. 6 | MDS of ancient and modern genomes. a**, Same MDS as 
  in Fig. 2 but only showing qpAdm source groups of Fig. 2a and modern groups 
  in the Simons Genome Diversity Project (labelled) computed using genotypes  (top) or Twigstats (bottom).**b**, MDS computed using genotypes showing one 
  early medieval or Viking age group per facet.**c**, MDS computed using Twigstats 
  showing one early medieval or Viking age group per facet. 