My Father was Otto Wahl My Grand Father was William Wahl jr My Great Grand Father was William Wahl sr Both Williams are buried in the Lincoln Valley Baptist cemetery, along with other Wahl's graves there. I am told that I have relatives in Bismarck.
William Wahl jr had brothers named Fred & John William Wahl sr had a brother named George.
I know that there are many Wahl's in and around ND. as well as California and Washington state and Montana. Also we have people that used to live/or still do in Ashley, ND. My grandpa William jr was born in 1890 near Minnow (sp), South Dakota.