https://www.cnet.com/news/hbo-ruthlessly-whittles-down-game-of-thrones-prequels/

Some of the Game of Thrones prequel shows seem to be heading for the same fate as Ned Stark.

            HBO

was originally exploring up to five spin-offs of the dragons-and-swords fantasy hit, but has now narrowed its focus down to a single series that author George R.R. Martin is heavily involved in.