Genesis 25:14

And Mishma, and Dumah, and Massa,

Mishma - Septuagint, Masma. Ptolemy mentions the Maisaimaneis, whose settlement was on the northeast of Medina, as probably representing the descendants of this son of Ishmael.

Hadar or 'Hadad' (1 Chronicles 1:30) - [Septuagint, Choddan].

Dumah - the district in the northwest of Arabia, inhabited by the posterity of Dumah (Foster), now called Dumath.