<i><a href="https://en.wikipedia.org/wiki/Frederick_I,_Holy_Roman_Emperor" class="extiw" title="en:Frederick I, Holy Roman Emperor">Frederick I, Holy Roman Emperor</a> as crusader. <br></i>
Dedicatory image from a manuscript of <a href="https://en.wikipedia.org/wiki/Robert_the_Monk" class="extiw" title="en:Robert the Monk">Robert the Monk</a>'s <i>Historia Hierosolymitana</i> (Vat. Lat. 2001, dated ca. 1188).
unknown illustrator
1188
Digital image from <a rel="nofollow" class="external free" href="http://crusades.boisestate.edu/Europe/germany11.html">http://crusades.boisestate.edu/Europe/germany11.html</a>