Complex sentence: Their peasant traditions infuriate the neighbors, especially the family living opposite them, the Maldinis, the richest family in all Las Lomas, who do not know how to get rid of the newcomers.
Split into simpler sentences: Their peasant traditions infuriate the neighbors, especially the family living opposite them, the Maldinis. The Maldinis are the richest family in all Las Lomas but they still cannot find a way to get rid of the newcomers.