Yeshe Tsogyal
Yeshe Tsogyal (c. 757 or 777 – 817 CE), also known as "Victorious Ocean of Knowledge", "Knowledge Lake Empress" (Wylie: ye shes mtsho rgyal, ཡེ་ཤེས་མཚོ་རྒྱལ), or by her Sanskrit name Jñānasāgarā "Knowledge Ocean", or by her clan name "Lady Kharchen", attained enlightenment in her lifetime and is considered the Mother of Tibetan Buddhism.