en_tn/deu/27/20.md

General Information:

Moses continues telling the Levites and the people what they must say.

May the man be cursed

This can be stated in active form. See how you translated this in Deuteronomy 27:16. Alternate translation: "May Yahweh curse the man" (See: rc://en/ta/man/translate/figs-activepassive)

his father's wife

This does not refer to the man's mother, but another wife of his father.

he has taken away his father's rights

When a man marries a woman, only he has the legal right to sleep with her. The full meaning of this statement may be made explicit. Alternate translation: "he has taken away his father's legal rights" (See: rc://en/ta/man/translate/figs-explicit)