Board Thread:General Discussion/@comment-24666470-20151207101339/@comment-26397825-20151207102119

Well, assuming Raven had Yang just after she graduated from Beacon at 21/22 years old, then Qrow would logically be 38/39 years old. This is probably the youngest the previous generation can be, as there has been no mention of anyone dropping out of Beacon to raise a child.