These travelers come upon a strange country where the head guy gives them each, one of his daughters, for the purpose of making a baby during the winter months.
This is not a porno movie, but, its 20-40 years old.
I used to know the name of it, but I forgot.
I forgot the name of the movie, but it was in English
Also, the travelers ride in on horseback
It is more blessed to give than to receive.