And the Norsemen/Vikings in Normandy, known as the Normans, are the ones that conquered England and Ireland in 1066.
I have a copy of a Skandinavens Almanak of Kalendar 1925,in which is recorded the genealogy of George Washington, traced for 33 generations back to Thrond Haraldson, king of Throndheim in Norway, born ca, 661.
The line leads through the Orkney Islands ca. ninth century, to Yorkshire in northern England ca, 1030-35, and to America in the person of Col. John Washington in 1659.
The Normans conquered only England in 1066. In 1170 they invaded Ireland, less convincingly.