This page is for the details of the various relationships, Jacob Berry had over the course of the series.
Rachel Berry[]
(Sister) Main Article: Jacob-Rachel Relationship
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In Season One, Jacob and Rachel show to have a healthy brother and sister relationship, and dream of becoming a brother and sister musicial duo. They both audition for Glee club, both being accepted.
Santana Lopez[]
(Ex-girlfriend; best friend)
Jacob's introduced to Santana through Quinn during the Pilot.
Quinn Fabray (best friend)
Main Article: Jacob-Quinn Relationship
In Season One, Jacob's introduced to Quinn through Sue Sylvester, the coach of the Cheerios.