This is not Red Cloud but his son Jack in a 1909 photo by German photographer Frederick Weygold. I do like this picture a lot, because you can imagine how Red Cloud must have looked like in his warrior days:

— Dietmar Schulte-Möhring

The following publication contains information about Jack Red Cloud:

Article: "Redskins in the White House" by Jay F. Kay • Golden West • Vol. 1, No. 3 • March 1965.