The JP would ask “Who gives this woman in marriage?”.
Parent(s) or Sponsor(s) usually stand and say “I do”.
Sample Giving of the Bride
Who gives this woman to be married to this man?
Who presents this woman and this man to be married to each other?
Doubly blessed is the couple which comes to the marriage altar with the approval and blessings of their families and friends. Who has the honor of presenting this woman to be married to this man?
Her mother and I do”
Or, in unison, “We do”