Quote Originally Posted by Valda View Post
OK, I ran into genitive without "of"

In translating the phrase: Mom took my nephew to "story hour" at the library

Мама взяла моего племянника на "час истории" в библиотеке.

Note that "my nephew" is genitive! How come "this is your idea" is accusative, and "my nephew" is genitive?
It is also accusative. For animate (grammatically animate - "who", not "what") objects accusative have exactly the same form as Genitive.