Wm. A. Clark Senator from Montana1899-1907

Looking for family information on Senator Clark from Montana.Great Grandfather Wm. J. Clark b. abt. 1855 m. Mary Felicity LeRoi in Butte Montana in 1897 & had son Wm. A. Clark b. 1898.Recently found a very old picture transposed on tin of a very young man - in comparing it to congressinal picture of Senator Clark it looks to be the same man (eyes, nose hair & beard).

Family history has it that g. grandfather Wm.J. Clark was into mining copper & tourqouise in Montana to New Mexico and some ties to railroad.Senator W.A. Clark was also into copper mining, banking, railroad.Wondering why we have picture and if Senator Clark had children and if Wm. J. was his son.

Any assistance would be appreciate - email at rmfhart@cs,com