"After that, their paganism was gradually replaced by the process of Christianisation, but there were still pagans in the Frankish heartland of Toxandria in the late 7th century."

https://en.wikipedia.org/wiki/Toxandri

the heartland of tocks-and-rhea perhaps?

https://en.wikipedia.org/wiki/Lower_Lorraine

oh I remember now...this is all about Inga again...who had explained it thus..."I am the lothario Inga"....go figure: