Daily Rambam

Mishneh Torah, Marriage 9

Bite-SizedSeptember 5, 2026

Sugya Map: The Mechanics of Ambiguous Kiddushin

  • Core Issue: Does a blanket statement of kiddushin to multiple women, some of whom are ineligible (e.g., sisters), invalidate the entire act?
  • Primary Sources: Kiddushin 51a, Mishneh Torah, Marriage 9:1, Even HaEzer 41:4.
  • Nafka Mina: Whether the kiddushin takes effect on the eligible parties or falls entirely due to the ambiguity of the statement.

Text Snapshot

Rambam states: "If among [these women] were two sisters... none of the women is consecrated." The Maggid Mishneh notes the tension here: if a man says, "You and this animal acquire this," the person acquires half (Hilchot Mechirah 22:12). Why, then, does the marital bond fail entirely? The Maggid concludes that monetary acquisition (kinyan) functions differently than the sanctity of marriage (issur).

Readings

  • Maggid Mishneh: Resolves the contradiction by bifurcating the logic of property (divisible) from marriage (a status of issur).
  • Ohr Sameach (9:10:1): Explores the father’s credibility (ne'emanut) regarding his daughter's status. He argues that the father is believed only while it is "in his hand" to consecrate her. Once she is a bogeret, his power dissolves, and his word cannot strip her of her autonomy—a profound recognition of the transition from paternal domain to self-possession.

Friction

The Kushya: If a person says, "I consecrated [my daughter]," and later claims he doesn't know to whom, why is he believed when he finally identifies the man? The Terutz: As noted in Kiddushin 63b, "No man sins for another's benefit" (ein adam choteh v'lo lo). Since he gains nothing by lying—and indeed, might face the father's wrath—his testimony is treated as a reliable resolution to the safek.

Intertext & Psak

  • Intertext: Compare with the rule of shlichut (agency). If an agent is appointed publicly, his actions bind the principal (Kiddushin 64a).
  • Psak: In contemporary practice, we treat ambiguous kiddushin as a safek requiring a get out of an abundance of caution (chumra). The meta-heuristic is clear: where ervah (forbidden relationships) is concerned, the law favors the preservation of the sanctity of the status quo.

Takeaway

The Rambam teaches that marriage is not a mere transaction; it is a status where ambiguity doesn't just "partially" apply—it infects the whole. On Leil Selichot, we are reminded that our status before the Almighty, like the kiddushin here, requires clarity, intention, and a release from the "ambiguities" of our own past actions.