Per WP NAMESORT the sort value is DEFAULTSORT Pham Nguyen Sa DEFAULTSORT is not optional No the fields are not optional If you read WP PERSONDATA you will find ALTERNATIVE NAMES is the only optional one Your refusal to follow AWB rules and Wikipedia guidelines is inexcusable There are categories such as Category Persondata templates without name parameter to fix blank parameters I am not threatening just stating the fact that if you don t follow the rules privileges are usually revoked