And when they declared on oath that they did not know where the man was whom he sought: Good News Bible provides a good model for this verse, making it a separate sentence.
Quoted with permission from Bullard, Roger A. and Hatton, Howard A. A Handbook on 1-2 Maccabees. (UBS Helps for Translators). New York: UBS, 2011. For this and other handbooks for translators see here.