In "New Moon" Jacob explains to Bella how Emily got hurt and she got hurt because Sam was angry and he was standing to close and then he transformed into a werewolf in front of Emily and he hit her in the face by accident.
The werewolves in Twilight have a very powerful law that states that whoever a wolf imprints on cannot be hurt. Jacob imprinted on Renesmee just as Sam imprinted on Emily. Neither Emily nor Renesmee can be hurt, at least by the pack.
Sam Uley's fiancΓ©e in the Twilight series is named Emily Young.
Sam Uley imprinted on Emily Young, who is also the cousin of Leah Clearwater. Emily initially had a romantic relationship with Sam before he imprinted on her, causing some tension within their group of friends.
Sam imprinted on Emily Young :)
Emily Young is Sam Uley's Fiance.
Emily
Sam in engaged to Emily.
Emily
Leah clearwater
Leah and Emily have a strained relationship because Sam, Leah's ex, imprinted on Emily, causing Leah heartbreak and resentment. Imprinting is a supernatural phenomenon in the Twilight series where a werewolf forms an intense, unbreakable bond with someone they are destined to be with, regardless of previous relationships.
Emily