From the first minute of his birth, every person acquires relatives. Time will pass, the child will become an adult, he will have his own family, which means new relatives. And this is where problems arise. How are in-laws different from relatives? What should you call your spouse's parents? Who is sister-in-law, brother-in-law, great aunt? Why did the custom of coming to your mother-in-law for pancakes arise? In this book, readers will find a dictionary of family ties, as well as a description of traditional family customs.