Robert m. Old Saxon hrΕth, Old High German hruod 'fame' + Old English beorht, Old German berhta 'bright', cognate with Old Saxon berht, Old High German beraht, Old Norse bjartr, Gothic π±π°πΉππ·ππ.
The name of two 8th C German saints, a 10th C king of West Francia, a 10th-11th C king of the Franks, an 11th C French saint, a 12th C French saint, a 12th C English saint, a 14th C king of Germany, a 14th C king of Naples, three 14th C kings of the Scots, and a 15th C king of Germany.