Kurt Vonnegut | Roger Clemens | Clemens Krauss | Clemens Brentano | Olivia Langdon Clemens | Clemens Kapuuo | Clemens August of Bavaria | Vonnegut Hardware Company | Paul Clemens von Baumgarten | Mary Strong Clemens | Kurt Vonnegut's | Joseph Clemens | Clemens von Pirquet | Clemens Cornielje | Adelaide Clemens | Susy Clemens | Sherrard Clemens | Roger Clemens Award | Quintus Tineius Sacerdos Clemens | Prince Clemens Wenceslaus of Saxony | Martin Clemens | Mark Vonnegut | Kurt Vonnegut's Monkey House | James Clemens | Jacob Clemens non Papa | Dan Clemens | Clemens Winkler | Clemens von Ketteler | Clemens Mayer | Clemens Maria Hofbauer |
He was raised Roman Catholic but rejected organized religion, claiming at one point to be an atheist and later a freethinker.