noun
- The Holy Roman Emperor who led the Sixth Crusade and crowned himself king of Jerusalem (1194-1250. ).
- synonyms: Frederick II
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Holy Roman Emperor Frederick II. Retrieved September 22, 2026, from http://smartdefine.org/holy_roman_emperor_frederick_ii/definitions/1285401 |
| Chicago | WordNet. 2010. "Holy Roman Emperor Frederick II" http://smartdefine.org/holy_roman_emperor_frederick_ii/definitions/1285401 (accessed September 22, 2026). |
| Harvard | WordNet 2010, Holy Roman Emperor Frederick II, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/holy_roman_emperor_frederick_ii/definitions/1285401>. |
| MLA | WordNet. "Holy Roman Emperor Frederick II" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/holy_roman_emperor_frederick_ii/definitions/1285401> |