Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Kalyānavatī
Kalyānavatī:The first queen-consort of Kittinissanka.
After the death of Sāhasamalla she carried on the government of Ceylon for six months (according to some six years,1202-1208 A.C.) with the help of her general,Ayasmanta.
She built a vihāra called the Kalyānavatī-vihāra in the village of Pannasālaka.Cv.lxxx.34ff; also Cv.Trs.ii.130,n.3.