Henderson started once again for his country as they clinched a place in the last four of the tournament for the first time since 1990 courtesy of a 2-0 win over Sweden in Samara.
With the Reds contesting a pre-season friendly at Chester FC at the same time as the Three Lions were in action, Klopp was unable to see his skipper's contributions to the victory.
However, he knows all too well about the Sunderland-born midfielder's qualities, and believes others have seen them evidenced on the world stage plenty of times this summer.