Well, there are several answers to this question.
Sarah has a Hebrew origin and it means "Princess"
Sarah is AWESOME!
No, in fact it is the worst name ever.
Sarah Biasini's birth name is Sarah Magdalena Biasini.
Sarah Callyn's birth name is Sarah Leanne Spence.
Jacob's mom's name is not specified in the question. It would be best to ask Jacob directly or check with another source to find out.
Sarah Hyland's birth name is Hyland, Sarah Jane.
Sarah Caruso's birth name is Sarah Kathleen Reinard.
Sarah Maldoror's birth name is Durados, Sarah.
Sarah Shine's birth name is Sarah Phipps.
Sarah Kern's birth name is Sarah Reismann.
Sarah Holbrooke's birth name is Sarah Bosch.
Sarah Gadon's birth name is Sarah Gadon.
Sarah Doukas's birth name is Sarah Chambers.