TheGenealogical Proof Standard (GPS) is a guideline for establishing the reliability ("proof") of agenealogical conclusion with reasonable certainty.[1] It is important within the genealogical community for clearly communicating the quality of research performed, such as by a professional genealogist. It is also useful for helping new genealogists understand what is needed to do high-quality research, how to identify an individual and establish family relationships.[2]
It has five elements: