Gen 1:1: In the beginning God created the heaven and the earth.
There are seven words in the Hebrew texts: בראשית ברא אלהים את השמים ואת הארץ׃
Gen 9: 21 - Unto Shem also, the father of all the children of Eber, the brother of Japheth the elder, even to him were children born.
Moses 8:12 - And Noah was four hundred and fifty years old, and begat Japheth; and forty-two years afterward he begat Shem of her who was the mother of Japheth, and when he was five hundred years old he begat Ham... => making Ham the "firstborn" of the second wife.
Shem was an hundred years old, and begat Arphaxad => Salah=> Eber=> Peleg=> Reu=> Serug=> Nahor (I)=> Terah=> And Terah lived seventy years, and begat Abram, Nahor (II), and Haran. (9x generations). And the name of Abram’s wife was Sarai - and Abram was seventy and five years old when he departed - And he removed from thence unto a mountain on the east of Beth-el, and pitched his tent,
Now, Pharaoh being of that lineage by which he could not have the right of Priesthood, notwithstanding the Pharaohs would fain claim it from Noah... Pharaoh, being a righteous man, established his kingdom and judged his people wisely and justly all his days, seeking earnestly to imitate that order established by the fathers in the first generations, in the days of the first patriarchal reign, even in the reign of Adam, and also of Noah, his father, who blessed him with the blessings of the earth, and with the blessings of wisdom, but cursed him as pertaining to the Priesthood...
And the sons of Ham; Cush.. And Cush begat Nimrod: he began to be a mighty one in the earth. He was a mighty hunter before the Lord: wherefore it is said, Even as Nimrod the mighty hunter before the Lord. (he had the Garment of Adam) And the beginning of his [Nimrod's] kingdom was Babel... And the whole earth was of one language, and of one speech. - Gen 9,10 & 11
"Berosus mentions our father Abram when he says; “In the tenth generation after the flood, there was among the Chaldeans a man, righteous, and great, and skilful in the celestial science.” He communicated to them [Egyptians] Arithmetick; and delivered to them the science of Astronomy. (28) For before Abram came into Egypt they were unacquainted with those parts of learning: for that science came from the Chaldeans into Egypt; and from thence to the Greeks also... when and he returnd from Egypt, he dwelt in Hebron; which is a city seven years ancienter than Tanis of Egypt."
---Josephus, Antiquities of the Jews, chpt 11. v.2
...And the Lord plagued Pharaoh and his house with great plagues because of Sarai Abram’s wife.
And Pharaoh called Abram, and said, What is this that thou hast done unto me?
...And Pharaoh commanded his men concerning him: and they sent him away, and his wife, and all that he had. And Abram went up out of Egypt, he, and his wife, and all that he had, and Lot with him, into the south. And Abram was very rich in cattle, in silver, and in gold.
There is less/similar evidence for both (Atlantis - https://www.ancient.eu/atlantis/) and Noah's ark/Flood stories (https://en.wikipedia.org/wiki/List_of_flood_myths) - in the case of Atlantis... it remains a "myth" - in the case of the Flood, they attribute all the different versions from around the world, back to Babylon (https://youtu.be/s_fkpZSnz2I)
List of flood myths: https://en.wikipedia.org/wiki/List_of_flood_myths
Gilgamesh claimed, from his reading of tablets engraved on Lapis lazuli and secreted in a “copper tablet box” loosened with “the ring-bolt made of bronze” that this city was built by the seven sages or patriarchs of the Cainite pre-diluviun society and was not the city of his possessions. ( Gardner, John and John Maier, Gilgamesh, Alfred A. Knopf, Inc. New York, 1984 Tablet I, Lines 4-6, 22-25) - https://youtu.be/Rd7MrGy_tEg