The arguable one
the contested person is a nickname or epithet of the following people:
- Christian the arguable (around 1123 – around 1167), Count of Oldenburg, see Christian I. (Oldenburg)
- Friedrich the arguable (around 1075–1124), regent of the county of Arnsberg-Werl, see Friedrich (Arnsberg)
- Frederick the Arguable (1211–1246), Duke of Austria and Styria, see Friedrich II. (Austria)
- Friedrich IV. The Arguable (1370–1428), Margrave of Meissen, Elector of Saxony, see Friedrich I. (Saxony)
- Gerhard der Streitbare (1430–1500), Count of Oldenburg, see Gerd the Courageous
- Günther der Streitbare (1529–1583), Count of Schwarzburg and von Schwarzburg-Arnstadt, see Günther XLI. (Schwarzburg-Arnstadt)
- Heinrich (II.) The arguable († 1282/84), Count of the County of Zweibrücken, see Heinrich II. (Zweibrücken)
- John the Arguable (around 1395–1466), Count of Hoya, see Johann V. (Hoya)
- Philip the Arguable (1503–1548), Count Palatine and Duke of Pfalz-Neuburg, see Philipp (Pfalz-Neuburg)
- Rainald the arguable (1255-1326), Count of Geldern and Duke of Limburg, see Rainald I. (Geldern) , see Rainald I. (Geldern)
- Ruprecht (III.) The controversial (of Nassau) († 1191), Count of Nassau, follower of Emperor Friedrich I Barbarossa and participant in the Third Crusade, see Ruprecht III. (Nassau)
