Isaiah 39:7

thy sons. Hezekiah had none as yet, and Jehovah's promise to David (2 Samuel 7:16) seemed in danger of failing. Manasseh was not born till the third of the fifteen added years. Hence his reference to this position in the "Songs of the Degrees". See Psalms 127:3; Psalms 127:3 and Psalms 128 (quoting in Isaiah 39:5 the words in Isaiah 39:8). Hezekiah did not marry till after this, and there may be. reference to his marriage to Hephzi-bah in Isaiah 62:4, which serves as the basis of the comparison in his prophecy concerning the future blessing of Israel.

eunuchs. See Daniel 1:3; Daniel 1:4.