Dictionary of Pāli Proper Names • G.P. Malalasekera
Page last updated on 8 May, 2017
For self-protection one should practise loving-kindness (metta) for the four royal families of snakes:
It was taught when a monk was bitten by a snake at Sāvatthi. A.ii.72. Cp. Vin.ii.109; SA.ii.144.
Another name for it is the Khandha Paritta.