Easterling
Usage examples:
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There Thorstein married Thorid, daughter of Eyvind the Easterling sister of Helgi the Lean; and they had many children.
Anonymous in "Eirik the Red's Saga". -
Drake, meantime, was mistakably following in the dark and stormy night a phantom enemy, in the shape of five Easterling vessels.
Frederick Whymper in "The Sea: Its Stirring Story of Adventure, Peril, & Heroism. Volume 1".