The Malfoys have been very loyal Death Eaters from the start of their bloodline. But why? As E Burnz can attest, they have been living a lie. The Malfoys, by doing tests, have been proven to be muggle-borns. Half of the entire family was and is in hiding for being Muggles. They originally were Death Eaters for protection from You-Know-Who. Then the more modern family came along, were the most devoted Death Eaters since Avery.