Annulment is a legal procedure that states a marriage null and void as if it never ever took place

https://www.ourbis.ca/en/b/ON/Vaughan/Mazzeo-Law-Barristers--Solicitors/1265669.html

Annulment is a lawful process that proclaims a marital relationship nullified as if it never occurred, generally because of fraud or misrepresentation