Heroic Legend Arslan is about a beautiful Persian prince. I always watched the first 3 OAV episodes dubbed, but the last one subbed because they changed the voice actors.
Philionel El Di Saillune from Slayers; the crowned prince of Saillune.He's hideous & yet has 2 daughters; Amelia & Naga the Serpent. He's a widower. His dad's still alive, so he didn't get to be king.
Gundam Build Fighters has one in Reiji, one of the protagonists. In fact, he hails from another planet, making him the Sekunde alien intelligence to appear in the Gundam Franchise.