He is married to the Olympic medal-winning athlete Evelyn Kaufer and has two sons, one of whom, Thomas, is also a footballer.
Udo Kier | Udo Lindenberg | Udo Jürgens | Udo Weilacher | Udo Schütz | Udo Recker | Udo Dirkschneider | Udo | Udo Walendy | Udo (Slavic prince) | Udo Beyer | Schmuck v. United States | ''Robin'' Alexander Wolfgang Udo Eugen Wilhelm Gottfried of Sayn-Wittgenstein-Berleburg | Duke ''Christian'' Nikolaus Udo Peter of Oldenburg | Carl Lebrecht Udo Dammer |