Gwen has a father called Martin and a mother called Martha who is sometimes known as her middle name Victoria. Gwen spends more time with the Smiles family then her own family because her parents are always so busy. Gwen's father owns a wide ammount of companys all starting with Happy. Gwen's mother runs most of the shops that her Martin owns but does not spend much time working but more spending her husbands money. Gwen's mother has only appeared in one episode so far and that was the episode where Gwen gets a job at Martin's makeup shop, the episode was called Super Hero And The Makeup Maniac. Gwen has no brother and sisters she is just an only child.