TgO Gen34:9 :וְאִתחַתַנוּ בַנָא בְנָתְכֹין תִיתְנוּן לַנָא וְיָת בְנָתַנָא תִיסְבוּן לְכוֹן‏ : join us through marriage: you will give your daughters to us and take our daughters for yourselves
See the entire entry for ḥtn vb. D to join by marriage