Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Sahassarāja
Sahassarāja:1.Sahassarāja. One hundred and sixty five kappas ago,there were three kings of this name,previous births of Udakapūjaka (Kutivihāriya) Thera.Ap.i.143; ThagA.i.129.
2.Sahassarāja. Eleven kappas ago there were eight kings of this name,previous births of Dhammacakkika Thera.Ap.i.90.