The father — Because this was a reproach to his family, and to himself, as such a miscarriage of his daughter would have been ascribed to his evil education.
Related Commentaries of Deuteronomy 22:19
Deuteronomy 22:19
19 And they shall amerce him in an hundred shekels of silver, and give them unto the father of the damsel, because he hath brought up an evil name upon a virgin of Israel: and she shall be his wife; he may not put her away all his days.