The four oldest did grow up and Helen met them around 1947. Cathy was pregnant shortly after that. Robert was living in Endicott with his wife Mary Lou by then. I have a photo of Elnora Louise standing next to one of her sons. My mom belives this is Robert, but he looks rather young and his hair seems light.
Mom remembers the girls being blonde and the boys a darker brown.
I see if I can find out where the photo came from.