How we know
01Fondation Napoléon — genealogyhttps://www.napoleon.org/wp-content/themes/napoleon/annexes/genealogie/detaillee/en/detail/16.html02Fondation Napoléon — Napoléon Ierhttps://www.napoleon.org/histoire-des-2-empires/biographies/napoleon-ier-1769-1821-empereur/Image: Жак-Луи Давид, 1812 · National Gallery of Art · Public domain