# Category:Otto IV, Holy Roman Emperor

> Wikimedia category

**Wikidata**: [Q55254286](https://www.wikidata.org/wiki/Q55254286)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Category:Otto_IV,_Holy_Roman_Emperor)  
**Source**: https://4ort.xyz/entity/category-otto-iv-holy-roman-emperor