Byzantine: Robert Guiscard "The Fox"

Here's a Norman ancestry find: Roberto II Guiscardo
(Crown wearing Duke with his own Gold Coins: Robert Guiscard)
999AD conquering Italy helping create the Kingdom of Sicily.

He died of fever in Kefalonia, at Atheras, Greece, along with 500 Norman knights & buried in Venosa Italy Vulture area

Ruler with an army of 36,000.

https://en.wikipedia.org/wiki/Robert_Guiscard