Ballard Migration in Britannia: https://pbase.com/daveb/image/173962902
Z2>Z7>Z31>Z8>Z1>Z346>Z343>CTS5601>S20321>S3331>BY145631>BY98853>FT81743>BY65797
https://discover.familytreedna.com/y-dna/R-Z2/tree (From 950 BCE (Z8) to 1717 CE (BY65797) in the Virginia Colony)

East Anglia, Anglo Saxon YDNA R-U106 >
https://en.wikipedia.org/wiki/East_Anglia

Ballard BigY ancient migration along the East Coast of old North Folk and South Folk: https://en.wikipedia.org/wiki/Sutton_Hoo#/media/File:Williamson_p16_3.svg

Common BigY migration town on GlobeTrekker and Roman Roads crossing west across the Fin is Petersborough. https://en.wikipedia.org/wiki/Peterborough

Fin Causeway, Roman Road: https://en.wikipedia.org/wiki/Fen_Causeway

https://commons.wikimedia.org/wiki/File:Britain_peoples_circa_600.svg