Isaiah 21:11

Dumah : son of Ishmael son of Abraham and Hagar,a town in the hill country of Judah,the country of Edom SW of the Dead Sea
(31° 26´, 34° 58´); (27° 23´, 37° 42´)

Edom : resident(s) of the region of Edom
(34° 50´, 39° 7´); (33° 12´, 36° 30´); (35° 5´, 42° 0´); (30° 44´, 35° 36´); (32° 32´, 44° 25´); (33° 31´, 36° 18´)

Seir : a mountain and adjoining land,a man from the highlands of Seir (OS); father-in-law of Esau
(30° 44´, 35° 36´)

Isaiah 21:16

Kedar : son of Ishmael son of Abraham and Hagar,a people descended from Ishmael's son Kedar
(27° 23´, 37° 42´)