KnowraElectorate of CologneLinked fromLinked fromThe 5 pages that link to Electorate of Cologne, each with the reason it gives.All 5Related 3Compared with 2Electorate of MainzCompared with: It was the third ecclesiastical electorate, alongside Mainz and Trier.Electorate of TrierCompared with: Cologne was the third ecclesiastical electorate alongside Trier and Mainz.