Yes. You can add additional guest slots to any confirmed, invited guest on your list. Find them in your Guest List, then click on the User + icon on the left side of their row. This will open the ‘Adjust Guest Count’ box. Insert the number of additional seats you wish to assign to the guest and click Update.
You will immediately see additional rows appear under the guest, named ‘Guest of [contact name]’.
If you know their guest info you can click on this first name and fill in their details. Then, click ‘Save'.
To confirm them, click the checkbox on their row and then click the green ‘Accept’ checkmark button. This will mark them as confirmed and send them a confirmation email.
If you do not know their info, click on the First Name of the original guest to open the Edit Guest Info box. Then click the ‘Save and Re-send Email’ button. This will re-send the confirmation email to the guest, containing the ‘Your Registration’ button. This button takes the guest to their own Registration Page where they can enter the information on their newly-added additional guest themselves.