A popular idea on the internet is to call William The Conqueror and his Normans vikings, denying any "Frenchiness" to them. What do historians think about it? How much did they change from Rollo's settlers to William's people?
While I'm also willing to answer any relevant/ follow-up question, I hope these previous answers to relevant questions by me also offer some insights on to what extent the Normans in 1066 could be regarded as holders of the Norse culture: