Earlier quoted context omitted.
Sort of. More like "Raku (nee Perl6)" I think. It's (now) called Raku, because it isn't really Perl any more - even though it started out that way. "Perl" is Perl 5 now.
Spiritually, it is very much a kind of Perl, in a more concentrated form.
Oh sure. It used to be Perl. But it's "married out" now and taken a new name, and is off doing new things.