Isaiah 38:21

Isaiah : a son of Amoz; a prophet active in Judah from about 740 to 701 B.C.,son of Amoz; a major prophet in the time of Hezekiah

Isaiah 42:11

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

Sela : a musical notation for crescendo or emphasis by action (IBD)
(30° 19´, 35° 27´)