Premise: Straumfjörð Icelandic), or Straumfjǫrð (Old Norse) sometimes anglicised to Straumsfjordr, Straumfjordr, Straumsfjord or Straumfjord, is according to the Sagas of Icelanders a fjord in Vinland where Thorfinn Karlsefni set up a temporary settlement. It is described in the "Saga of Erik the Red", but not in the "Greenland saga". Its name translates to "Current-fjord", "Stream-fjord" or "Tide-fjord".
Hypothesis:  Straumsfjordr is the saga of Erik  the red which was founded by the greenland saga from the stream-fjord