Jamieson, Fausset and Brown on Daniel 9:16

16. thy righteousness--not stern justice in punishing, but Thy faithfulness to Thy promises of mercy to them who trust in Thee (Psa 31:1; 143:1).

thy city--chosen as Thine in the election of grace, which changes not.

for ... iniquities of ... fathers--(Ex 20:5). He does not impugn God's justice in this, as did the murmurers (Eze 18:2, 3; compare Jr 31:29).

thy people ... a reproach--which brings reproach on Thy name. "All the nations that are about us" will say that Thou, Jehovah, wast not able to save Thy peculiar people. So Da 9:17, "for the Lord's sake"; Da 9:19, "for Thine own sake" (Is 48:9, 11).