[3] Alexa has six siblings: paternal half-sister Margaux Vega (b. 1981), sister Krizia Vega (b. 1990), sister Makenzie Vega (b. 1994; starred in Saw and Sin City ), maternal half-sister Greylin James (b.2000), maternal half-brother Jet James (b. 2005), and maternal half-brother Cruz Hudson Rue (b. 2009). She moved with her family