[If] one says to a woman: “I betrothed you,” and she says: “You did not betroth me,” he is forbidden to [marry] her relatives, but she is permitted to [marry] his relatives. [If] she says: “You betrothed me,” and he says: “I did not betroth you,” he is permitted to [marry] her relatives, but she is forbidden to [marry] his relatives.  [If he says:] “I betrothed you,” and she says: “You betrothed my daughter,” he is forbidden to [marry] the relatives of the elder, but the elder is permitted to [marry] his relatives; he is permitted to [marry] the relatives of the younger, and the younger is permitted to [marry] his relatives.

[If a man says:] “I betrothed your daughter,” and she says: “You betrothed me,” he is forbidden to [marry] the relatives of the younger, and the younger is permitted to [marry] his relatives; he is permitted to [marry] the relatives of the elder, and the elder is forbidden to [marry] his relatives.

In every case in which there is kiddushin and there is no transgression, the offspring follows the male. Which is this? [This is] the daughter of a Kohen, a Levi, or a Yisrael who was married to a Kohen, a Levi, or a Yisrael.  In every case in which there is kiddushin and there is transgression, the offspring follows the defective one. Which is this? [This is] a widow to a Kohen Gadol, a divorcee or a chalutzah to an ordinary Kohen, a mamzeres or a Nesinite to a regular Jew, [or] the daughter of a regular Jew to a mamzer or a Nesinite.  [In a case of] anyone who cannot have kiddushin with him but can have kiddushin with others, the offspring is a mamzer. Which is this? [This is] one who has relations with any of the arayos which are in the Torah.  [In a case of] anyone who cannot have kiddushin with him or with others, the offspring is like her. Which is this? [This is] the offspring of a slave and a gentile woman.

R’ Tarfon says: Mamzerim can be purified. How? [If] a mamzer married a slave, the offspring is a slave; [if] he freed him, the son becomes a freeman. R’ Eliezer says: This is a slave who is a mamzer.