דניאל ט:כז פירוש: רש״י

And he will strengthen a covenant for the princes for one week לָרַבִּים, for the princes, like “and all the officers of (רַבֵּי) the king,” in the Book of Jeremiah (39:13).

will strengthen Titus [will strengthen] a covenant with the princes of Israel.

for one week He will promise them the strengthening of a covenant and peace for seven years, but within the seven years, he will abrogate his covenant.