In message , at 16:22:35 on Tue, 5 Jan 2021,
Tweed remarked:

It's just a cultural thing, like many Europeans have names like Magnus
Magnus*son*, and innumerable similar Slavic suffices.

Slavic? I thought it came from the Icelandic. There surnames come from the
first name of the parent.

Yes, hence the use of the word "similar" (not "identical")

--
Roland Perry