No certificate of proof shall be granted unless subscribing witnesses shall prove:
1. That the person whose name is subscribed thereto as a party is the person described in, and who executed the same.
2. That such person executed the conveyance.
3. That such witness subscribed his or her name thereto as a witness thereof.
[12:9:1861; B § 240; BH § 2581; C § 2651; RL § 1029; NCL § 1487]