Comment by flohofwoe
2 days ago
You mean the Varangian Guard, personal security detail of the Emperor?
https://en.wikipedia.org/wiki/Varangian_Guard
TL;DR: in the beginning mainly Kievan Rus and Norse (but apparently no Finns), later mainly Anglo-Saxons.
I can't now find the webpage that orignially proposed this, but FWIW just now I found this: https://peacecountry0.tripod.com/earlyfin.htm#vara
Lost in the mists of history. A mistory.