6 They took their daughters in marriage and gave their own daughters to their sons, and served their gods.

Read Judges 3:6 Using Other Translations

And they took their daughters to be their wives, and gave their daughters to their sons, and served their gods.
And their daughters they took to themselves for wives, and their own daughters they gave to their sons, and they served their gods.
and they intermarried with them. Israelite sons married their daughters, and Israelite daughters were given in marriage to their sons. And the Israelites served their gods.