and persuaded them to agree to all reasonable [conditions], and [promised] that he would persuade the king that he must needs be a friend unto them.
WEB
2 Maccabees 11:14
and persuaded them to come to terms on condition that all their rights were acknowledged, and promised that he would also persuade the king to become their friend.
Parallel Translations
And persuaded them to agree to all reasonable conditions, and promised that he would persuade the king that he must needs be a friend to them.
And persuaded them to agree to all reasonable conditions, and promised that he would persuade the king that he must needs be a friend unto them.