Mibzar mib'-zar (mibhtsar, "a fortress"): An Edomite chief, the King James Version "duke" (Genesis 36:42, 1 Chronicles 1:53). According to Eusebius, Mibzar is connected with Mibsara, a considerable village subject to Petra and still existing in his time. Compare Holzinger and Skinner in respective commentaries on Genesis.