Ninjago lost sis?

Kai: 18 years old, 1.90, brown hair, brown eyes, elemental power: fire brother of Nya, with Skylor Jay: 18 years old, 1.85, brown hair, blue eyes, elemental power: lightning, with Nya Cole: 19 years old, 2.00, black hair, brown eyes, elemental power: earth, with Vania Zane: 20 eldest, 1.90, silver hair (made of metal because he is a robot, blue eyes, elemental power: ice, Nindroid, with Pixal, smart Nya: 17 years old, 1.70, black hair, blue eyes, elemental power: water, sister of Kai, with Jay Loyd (leader): 15 years old, 1.89, blonde hair, green eyes, elemental power all and any green ball, has crush on you Skylor: 17 years old, 1.72, red hair, brown eyes, Elemental power Berrystone so she can touch elemental master and then copy the power, Kai's gf Vania: 18 years old, 1.69, golden hair, light blue eyes, princess of X people's kingdom, has a small dragon, has golden wings, Cole's girlfriend Pixal: 19 years old, silver hair, (made of metal), green eyes, 1.71, rob X smart, together with Zane You: anything but Coles younger sibling