I think Harry is referring to Domi, and I quote from the wiki...
Domi is an albino. She is very petite - about five feet tall and just over one hundred pounds - but is quite adept at hand-to-hand fighting and throwing weapons, as well as stealth... ...She is quite intelligent but tends to lapse into broken Outlander speech under stress.
The similarities do make it likely that they are related, but she is definitely not a descendant of Jak though.
Jim
===============================
Billy Fish: He wants to know if we are gods.
Peachy Carnehan: Not gods - Englishmen. The next best thing.
Please check out my FLICKR photos