Amanda Greyson was born in New York and was a grade school teacher. She met her husband Sarek at an education conference and the two built a relationship where she married him and had their son Spock.
Amanda Greyson was created in the original television show Star Trek.
When Nero goes back into time he either changes the timeline or creates a new one. In this timeline he kills Amanda right in front of Sarek and Spock when he destroys their planet.