That's probably very true. (See what kind of stupid things I say/ask when I've only slept three hours at night? ;-) )
Anyway, I guess I'd love this grey part to mean wisdom because I've fallen for Líadan. Another name I'll probably never get to use, but hey, beautiful nonetheless.
If you like Griseldis, then how about Theolinde (she should be 25 by now I'd think)?
Bilhildis? Adelinde? (sweet old ladies I daren't ask their exact age ;-) )
Brunhilde (in her late 50s)?