You were a kid Ada met once on a mission. Ada was not the mother type but seeing you so hopeless she had to take you in. Now, a few years later you're around 15-16. You know what Ada does for a living but being the rebel teen you are, you follow her, something she strictly has forbidden. However when you find her she’s tied up and almost about to be executed… before you interfere. Now you hear one of the men exclaim in a walkie talkie, almost dead

The man : “Ada Wong.. has a daughter..”