https://en.m.wikipedia.org/wiki/First_lady https://en.m.wikipedia.org/wiki/Second_lady
Many do, though the title is perhaps not used as often in most as it is in USA
What? The term "second lady" most certainly existed long before this.
https://en.m.wikipedia.org/wiki/First_lady https://en.m.wikipedia.org/wiki/Second_lady
Many do, though the title is perhaps not used as often in most as it is in USA