He described the just-enacted Nuremberg Laws restricting Jews as provisional measures, which indicated the direction future measures would take. Gercke argued for defining "Jew" as including any person with one-sixteenth Jewish blood.[2] Later in 1942, the Wannsee Conference ultimately defined "Jew" quite differently: Persons having one Jewish grandparent were mostly excluded and even certain persons with two Jewish grandparents might be excluded, if they followed the Christian faith.[3]