The history of the 7 Sages is represented throughout several ancient accounts. They were said to be the builders of the great Pyramids and other ancient mysterious structures; according to legend, they were those who hold the secrets. Were they alien, nephilim, fallen angels or just some wise order who were able to survive the worldwide flood?

surce: https://www.youtube.com/watch?v=jXw_v_Bh9HM&t=683s