Imprint (Slow updates)

Imprint:
Imprinting is the involuntary mechanism by which Quileute shape-shifters find their soulmates. It is a profound, intimate phenomenon that exists among the Quileute shape-shifters.

Masen Rosalice Cullen is the twin sister of Renesmee Carlie Cullen. Bella and Edward were very surprised when instead of one baby like they were expected, Bella gave birth to two. Elizabeth grew unlike Nessie, growing at a human pace instead of a hybrid one.
Seventeen years later, the cullens return to Forks after leaving Elizabeth with Charlie and Sue for her protection, bring Jacob's pack back with him. What happens when she meets Leah Clearwater and gets imprinted on, will Elizabeth finally learn her family's secret?