By Philip James
Andre Begemann/Martin Emmrich def Dominic Inglot/Treat Huey(3) 7-5, 6-2
Inglot and Huey were third seeds for the tournament, ranked 37th and 28th respectively at the start of the week.
But the German pair triumphed on home soil (or red clay in this case) 7-5, 6-2 in an hour and eight minutes to lift the Power horse Cup.
Begemann and Emmrich were unseeded but still seasoned doubles specialists, ranked 64th and 56th respectively going into the tournament..
The win in Düsseldorf, which Emmrich described as his home town, is their second career doubles title.
Both pairs renew their partnership at Roland Garros this week, where they are joined in the draw by Fleming and Marray, Jamie Murray (playing with John Peers) and Ken Skupski (playing with Xavier Malisse).