I don't know if this will help anyone or not, but here goes. My name is Jesse Nemec. My Grandparents & Father came from Czechoslovakia in 1969 to the United States. My Father Jaroslav (Jaro), was an only child, I'm not quite sure of the brother/sister status of my grandparents. my Grandfather's name is Yaroslav, (Yaro) and my lateGrandmother's name is Maru (Marie) they lived in Colorado for several years & Now my Father & Grandfather reside in West Linn, Oregon.