Ok, a lot younger than I was assuming. My mother was born in 1918 in Nebraska and we will be celebrating her 95th birthday in a couple of weeks. So you must be in my own childrens' generation.
What are your goals? To learn more about your grandmother's family here in the US? After that, to gather data about marriage, births, etc. in Moravia?
I am going to write you offline. Look for a red number up by the envelope in Ancestry.