Esau Rosenthal is ’s father and ’s husband. He and Sarah are an Orthodox Jewish couple. Esau runs a pharmacy in Stamford Hill in London. Esau is mostly very hard on Elgin but reveals his tenderness in rare moments. Esau and Sarah strongly disapprove of Elgin’s marriage to , and Esau is estranged from his son until Sarah is hospitalized due to complications from bone cancer. After Sarah’s funeral, Elgin accompanies Esau back to his pharmacy and explains in veiled language that Sarah died because her body was too weak to heal. This is the last time Esau sees his son.