Covenants restricting the use of land imposed by a seller may be divided into three classes: • covenants imposed for the seller’s own benefit • covenants imposed as owner of other land, of which the land sold formed a part, and intended to protect or benefit the unsold land • covenants on a sale of land to various buyers who, with their respective successors-in-title, are intended mutually to enjoy the benefit of, and be bound by, the covenants Covenants imposed for the seller’s own