Very rare - 3 German medals awarded to dog trainers and breeders 30s/40s

Description

Selling three original medals awarded to my grandfather for services related to Deutsches Hundewesen since he bred and trained Dobermann Pinscher, including training dogs for military use.
The medals are:
1) Medaille Reichsverband für das Deutsche Hundewesen (RDH) - Für hervorragende Leistung in Bronze
Translation = bronze medal for extraordinary services to the German dog breeding association
2) Medaille fuer Verdienste um das Deutsche Hundewesen from the Oberkommando des Heeres
Translation = very rare medal awarded by the German military leadership for work associated with dog breeding and training
3) Roesebeck Dr. (1871-1947) medal -
Translation = medal commemorating Dr. Roesebeck's 25 year leadership of the German dog breeding association - (1931)
Overall condition is good. Items have been in the same family since the 1930s.