Wargentin was the son of the vicar of Sunne Wilhelm Wargentin (1670–1735) and his spouse Christina Aroselia, and the great grandson of Joachim Wargentin (1611–1682), a Lübeck-born burgher of Åbo (Turku) in Finland.
Wilhelm II, German Emperor | Wilhelm II | Wilhelm Reich | Gottfried Wilhelm Leibniz | Georg Wilhelm Friedrich Hegel | Wilhelm Keitel | Friedrich Wilhelm Joseph Schelling | Wilhelm Furtwängler | Karl Wilhelm Friedrich Schlegel | Wilhelm Wundt | Wilhelm Sasnal | Wilhelm Kempff | Wilhelm Busch | Wilhelm Westphal | Wilhelm von Knyphausen | Wilhelm von Bode | Wilhelm Steinitz | Wilhelm Schlenk | Wilhelm Heinrich Roscher | Wilhelm Gesenius | Wilhelm Canaris | Prince Wilhelm of Hesse-Philippsthal-Barchfeld | Pehr Evind Svinhufvud | Friedrich Wilhelm Freiherr von Bülow | Franz Wilhelm Junghuhn | Carl Wilhelm Siemens | Wilhelm von Tegetthoff | Wilhelm von Schütz | Wilhelm von Humboldt | Wilhelm Solheim |