A.T. Robertson Commentary Luke 22:30

"that ye may eat and drink at my table in my kingdom; and ye shall sit on thrones judging the twelve tribes of Israel." — Luke 22:30 (ASV)

And ye shall sit (καθησεσθε). But Westcott and Hort read in the text καθησθε (present middle subjunctive with ινα). The picture seems to be that given in Mt 19:28 when Jesus replied to Peter's inquiry. It is not clear how literally this imagery is to be taken. But there is the promise of honour for the loyal among these in the end.