text: **Extended Data Fig. 10 | Ancestry models of farflung Viking individuals.**
  **a**, MDS of each farflung Viking group plotted on top of preceding Iron age and 
  Roman individuals.**b**, All accepted qpAdm models using Twigstats-1000 for 
  every non-Scandinavian Viking individual computed in a rotational qpAdm 
  with source groups identical to Fig. 4. We plot one standard error. 