Anushasana Parva 149.35

Indeed, by naming them, one acquires success in religion, and wealth and pleasure. One should also take the name of that celebrated king who was Emperor of all the Earth and equal to a Prajapati, viz., that foremost of monarchs, Prithu, the son of Vena. The Earth became his daughter. One should also name Pururavas, of the Solar race and equal unto Mahendra himself in power.