Ross
Ross was a Scottish earldom north of the Moray Firth, ruled from Dingwall. In 1337 William of the O’Beolan line held it under the Scottish crown, having succeeded his father Hugh in 1336.
William helped retake Perth from the English in 1339, but withdrew before Neville’s Cross in 1346 after killing a vassal. His daughter Euphemia married Walter Leslie, and the earldom passed through their family. In 1411 Donald of the Isles invaded Ross and fought at Harlaw; the MacDonald lords held the earldom until its forfeiture in 1476.