↑Dorgerloh, Hartmut, ed. (18 August 2011). "Palaces and Gardens in Potsdam: 18-Church of Peace". Palaces and Gardens(PDF). Prussian Palaces and Gardens Foundation Berlin-Brandenburg. p. 4. Archived from the original(PDF) on 11 October 2010. Retrieved 10 January 2012. The Church of Peace was built from 1845–54, based upon Italian models. King Frederick William IV and Queen Elisabeth were laid to rest here.{{cite book}}: |first= has generic name (help)
↑Herzfeld, Hans (2012). "Frederick William IV". Encyclopædia Britannica. Encyclopædia Britannica Online. Encyclopædia Britannica Inc. Retrieved 10 January 2012. His marriage in 1823 to Elizabeth of Bavaria, a convert to Lutheranism, proved happy, although they had no children
