Landsberg am Lech | Landsberg | Theodoric I | Theodoric VI of Isenburg-Kempenich | Theodoric II of Isenburg-Kempenich | Landsberg Prison | Theodoric V of Isenburg-Kempenich | Theodoric the Monk | Theodoric IV | Theodoric I, Margrave of Meissen | Sophie of Landsberg | Off the Record with Michael Landsberg | Michael Landsberg | Margraviate of Landsberg | Landsberg-Lech Air Base | Honoré Théodoric d'Albert de Luynes | Herrad of Landsberg | Helmut Landsberg | Grigory Landsberg | Georg Landsberg | David Landsberg | Antipope Theodoric |
By 1271, Konrad married his second wife, Sophie (b. ca. 1259 - d. 24 August 1318), daughter of Dietrich the Wise, Margrave of Landsberg (second son of Henry III, Margrave of Meissen) and — according to some sources — widow of the last legitimate male member of the House of Hohenstaufen, Conradin, King of Sicily and Jerusalen.