Nicolas is the son of West Gate Mercenary commander Gaston Brown and an unnamed Tagged prostitute. Gaston killed Nicolas's mother after she gave birth and took the child to add to his mercenary group to avoid the expense of simply hiring a Tagged mercenary. Nicolas was born deaf, and between his disability and Gaston's control of his Cerebret supply, Gaston kept him obedient and dependent. He endures constant abuse from his father and the rest of the mercenary group without resistance.

