Skanda Purana 6.2.85.67

6.2.85.67

66 atha jalpeśvaraliṃgamāhātmyavarṇanam, tatra jalpanāmakena rājñā pañcaputrānrājye saṃsthāpya vane gamanam tataḥ parasparabandhuvirodhena mṛtānpañcaputrāñjñātvā tadviyogena duḥkhitasya jalpasya rājño vasiṣṭhājñayā mahākālavane gamanam, tatra svanāmnā liṃgasthāpanam, jalpeśvaraliṃgamāhātmyavarṇanam....... -. ... 146 1

66. Now, the description of the māhātmya of the Jalpeśvara liṅga: Therein, the king named Jalpa, after installing his five sons on the throne, going to the forest; then, learning that his five sons died through mutual fraternal discord, the king Jalpa, afflicted by separation from them, goes to the Mahākāla forest by Vasiṣṭha's command; installing a liṅga there in his own name; the description of the māhātmya of the Jalpeśvara liṅga. (146.1)