Sinthia

Sinthia - a hooker in the Crash-House Inn. By talking with her you can not sleep with her, she will simply tell you that you can't afford her. If you spend the night, Marcelles will ask you to save Sinthia from a raider in the room next to yours, which triggers the Save Sinthia quest.

Appearances in games
Sinthia only appears in the first Fallout.