It has taken almost 3 years for me to come to realize that this message was waiting for me!My apologies.I hope you can still be contacted.
It is very kind of you to offer me access to this picture, and I dearly would like to have a copy.I am supposing that the August Vetterling in the photo is my great-grandfather, with his wife Mary, and 3 of his 4 children: Harry, William (my gradfather and namesake) and Alice. I believe the 4th child Margaret died at age 2.I have never seen a picture of these people and I would love to see it and include it among the family records.(I do have a photo of William and is wife Katherine (Fritz) from about 1916, but that is about it.)
If Mary was your great-grandfather's sister, then you are apparently descended from the Glasle's, about whom I have little information.It would be interesting to tie in that piece of the family tree some day as well