Robert Folkoff was a veteran of World War I .
Folkoff married Minni. 1930 census data shows that their niece Minnie Folkoff and nephew Robert Folkoff lived with them at the time .
nephew   was a nephew of World War I .
Folkoff married Minni. 1930 census data shows that their niece Minnie Folkoff and nephew Robert Folkoff lived with them at the time .