Nadine's mother is very caring, if somewhat overprotective. Catherine lives near Rivet City, and asks you to look for her daughter. Nadine was always a headstrong girl, and the first to bag a live Mirelurk hatchling, but Catherine fears her little mite doesn't have the experience to survive in open wilderness.
pcps3xbox360 When returning from Point Lookout after saving her daughter, she seems to have vanished and thus you receive no reward. [verified]
pcxbox360 She may be in the water near the Duchess Gambit, making it impossible to speak to her and obtain a reward for returning Nadine to her. For PC version, this can be solved by using the console command "moveto player" while selecting Catherine. [verified]