Where can I find Three-grain bread in Horhausen (Westerwald)?

Three-grain bread can also be found in these cities:

Andernach Bad Honnef Bendorf Breitscheidt Dierdorf Dortmund Döttesfeld Gieleroth Hachenburg Hennef (Sieg) Hundsdorf Hünxe Königswinter Linz am Rhein Neuwied Nickenich Oberhonnefeld-Gierend Peterslahr Urbach Waldbreitbach Weißenthurm Wirges

You can also find this in Horhausen (Westerwald):

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise