For the love of god, have Edwin in you party when you find her. Only one of them can stay in your party though
*END SPOILER ALERT*
Crap, I wanted to take both with me. I know it works for Minsc and Edwin. At least if you keep AI disabled because this also seems to controll stuff like this and party members leaving because of your Rep.
Comments
Beregost, near the mayors house
*END SPOILER ALERT*
For the love of god, have Edwin in you party when you find her. Only one of them can stay in your party though
*END SPOILER ALERT*