Otto and Ella Junghans' third and last child was born September 19, 1915. By the time Gilbert was born, the family had moved back to Mequon, Wisconsin.
Here is a photo of the Junghans' family about 1916.
Starting from the left:
Sitting on the car: unknown man
Standing: John Dvonik, possibly Martha Dvonik and son, Walter Dvonik.
Standing in the center: Ella Junghans holding Gilbert, Lydia, Gerhardt and father Otto Jr.
Sitting on the far right: Possibly Otto Junghans Sr
Very neat car.