If you've studied Russian, you probably had to make a family tree at some point, and discovered that the Russian language is a little more complicated in this aspect.
When someone is married, there is no such thing in Russian as simply adding "in-law" to the end of everything: mother-in-law, father-in-law, dog-in-law, etc.
Nope, they each have their special name. Your husband's mother has one title; you have your own title in relationship to her; your husband has his own title in relationship to your sister...etc. My conversation teacher couldn't even remember them all.
But as long as you're able to describe the relationships, it isn't such a big deal. BUT...continue reading/-