NET

36 She said to him, “My father, since you made an oath to the Lord, do to me as you promised. After all, the Lord vindicated you before your enemies, the Ammonites.”

Darby

36 And she said to him, My father, if thou hast opened thy mouth to Jehovah, do to me according to that which has proceeded out of thy mouth; forasmuch as Jehovah has taken vengeance for thee upon thine enemies, upon the children of Ammon.

KJV

36 And she said unto him, My father, [if] thou hast opened thy mouth unto the LORD, do to me according to that which hath proceeded out of thy mouth; forasmuch as the LORD hath taken vengeance for thee of thine enemies, [even] of the children of Ammon.