Judg 21:18

וַאֲנַ֗חְנוּ לֹ֥א נוּכַ֛ל לָתֵת־לָהֶ֥ם נָשִׁ֖ים מִבְּנוֹתֵ֑ינוּ כִּֽי־נִשְׁבְּע֤וּ בְנֵֽי־יִשְׂרָאֵל֙ לֵאמֹ֔ר אָר֕וּר נֹתֵ֥ן אִשָּׁ֖ה לְבִנְיָמִֽן׃ ס

But we cannot give them our daughters as wives.” For the Israelites had sworn, “Cursed is he who gives a wife to a Benjamite.”