Caroline Aranha is a veterinarian working with primates at the San Francisco Zoo infirmary. She is also the girlfriend of Will Rodman, the adoptive human mother of Caesar. the adoptive human grandmother of Caesar's two sons, Blue Eyes and Milo as well as the adoptive mother-in-law of Caesar's wife, Cornelia. She and Will were presumably a part of "ground zero" of the virus outbreak which resulted in both their presumed deaths.