How old is your screen capture, BillJ?
Perhaps you should check again!
Anyway, I suspect it was an error by the website support folks, and not Marc's relative. I don't think it's his wife.
And it's not as goofy an error as assigning everything in the public domain to CBS, which Maurice's 100 trillion dollar lawyer seems to be inclined to do. Is that under the copyright laws of Omicron Ceti III? :-)