Erina is introduced as a young girl from Jonathan Joestar's hometown, becoming his love interest after he protects her from two bullies. During the time skip, she grows up to become an active nurse in India, eventually returning home to aid in Jonathan's recovery and marry him shortly after.Known as Erina Joestar (エリナ・ジョースター Erina Jōsutā) after marriage, she is the mother of George Joestar II, and the grandmother and guardian of Joseph Joestar.