Robert Maxwell is a character of The Vampire Diaries novel series. He is a human and the husband of Judith Maxwell (née Gilbert). While he and Judith were engaged, he spent his days in the Gilbert house helping Judith, Elena, and Margaret with their daily life.
At one point, Elena, Bonnie, and Meredith believed that Robert had something to do with the animal attacks in town, but in the end, it turned out that Klaus was the real culprit. After Elena drowned to death, Judith temporarily broke off her engagement to Robert, but they ultimately reconciled and got back together.