I. European ancestry of 3 types 1. Eastern Hunter Gatherers (EHG) (15,000 BP - ) Genetic Ancestry of hunter-gatherers dated between 14ka and 9ka(EHG) In archaeogenetics, the term Eastern Hunter-Gatherer (EHG), sometimes East European Hunter-Gatherer, or Eastern European Hunter-Gatherer is the name given to a distinct ancestral component that represents Mesolithic hunter-gatherers of Eastern Euro..