The
Hebrew Bible mentions a number of instances in which marriage and
sexual intercourse occurs between
close kin, mostly dated to before the
Sinai period: • In ,
Ham saw his father
Noah's nakedness. The
Talmud suggests that Ham may have
sodomized Noah (Babylonian Talmud
Sanhedrin 70a). In more recent times, some scholars have suggested that Ham may have had intercourse with his father's wife. • Abraham's brother
Nahor married his niece
Milcah, the daughter of his other brother
Haran. • Living in an isolated area after the destruction of
Sodom and Gomorrah, the
two daughters of
Lot conspired to inebriate and seduce their father due to the lack of available
sexual partners. Because of intoxication, Lot "perceived not" when his first-born daughter, and the following night his younger daughter, lay with him. () The two children born were directly Lot's sons and indirectly his grandsons, being his daughters' sons. Likewise, their sons were also half-brothers (between them and with their mothers), having the same father, as well as cousins, having mothers that were sisters. • In one of the tales of
a wife confused for a sister,
Abraham states that his wife
Sarah is his half-sister—the daughter of his father, but not his mother. • Isaac and Rebekah's firstborn son
Esau resorted to marrying his cousin Mahalath, daughter of his father's brother
Ishmael because his parents did not approve of him having relationships with Canaanites. • Isaac and Rebekah's second son
Jacob married his cousins
Leah and
Rachel, who were daughters of his mother's brother
Laban. Leah and Rachel were sisters; a wife's sister is also forbidden. • Jacob's firstborn son
Reuben had sex with his father's concubine
Bilhah. •
Judah, Jacob's fourth son, mistook his daughter-in-law
Tamar for a
prostitute while she was veiled, and had sex with her. •
Amram married his paternal aunt
Jochebed, the mother of
Miriam,
Aaron, and
Moses. However, according to the
Septuagint, she was his cousin. •
Amnon,
King David's eldest son and
heir to the throne, raped his half-sister
Tamar. Tamar's brother,
Absalom, learned of the incident and, two years later, ordered his servants to have Amnon killed. In vain with Amnon, Tamar said, "Now therefore, I pray thee, speak unto the king; for he will not withhold me from thee". •
Absalom, son of King David, in the middle of a rebellion against his father, had sex with his father's
concubines on the roof inside a tent. •
Rehoboam, son of
Solomon and
Naamah, married
Maacah daughter of
Absalom. 2 Samuel 14:27 does not list
Maacah as a daughter of
Absalom, but Absalom seems to have had sex with the wives of
David, his father, at the advice of
Ahitophel. • Zelophehad's daughters, Mahlah, Tirzah, Hoglah, Milcah, and Noah, married their cousins on their father's side to obey the Lord's command. The Lord said: "no inheritance shall be transferred from one tribe to another". • Caleb said, "I will give my daughter Acsah in marriage to the one who attacks and captures Kiriath-sepher." Othniel, son of Caleb's brother Kenaz, was the one who conquered it, so Acsah became Othniel's wife. ==Prohibited relationships==