persons. The spell allows polygamy. Also, no gender restrictions. You can marry all of your party into one big family, RAW. You may need to check the local laws, though.
By the way, the spell does not allow for divorce - it’s strictly “till death do us part”.
That is what ‘automation’ often is. You take a working process, then let machines do as many steps in that process as you can. Harvesting crops, sending memos, robots spraypainting car parts, self driving cars (We still have a lot to do there)
Building on that it gets even more interesting as we try to find better, or even completely new processes.