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”.
I was part of a gaming club in Europe from 1983. I learned to play D&D basically just like Dragonlance depicted when it was published in 1984. So, for us, it was more of a reinforcement than a revolution.