Mibzar in the Bible Encyclopedia - ISBE
mib'-zar (mibhtsar, "a fortress"): An Edomite chief, the King
James Version "duke" (Gen 36:42; 1 Ch 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.
Read More about Mibzar in the Bible Encyclopedia - ISBE