SB 4.1.37

तस्य यक्षपतिर्देवः कुबेरस्त्विडविडासुतः ।
रावणः कुम्भकर्णश्च तथान्यस्यां विभीषणः ॥३७॥

tasya yakṣa-patir devaḥ
kuberas tv iḍaviḍā-sutaḥ
rāvaṇaḥ kumbhakarṇaś ca
tathānyasyāṁ vibhīṣaṇaḥ

tasya - his; yakṣa-patiḥ - the king of the Yakṣas; devaḥ - demigod; kuberaḥ - Kuvera; tu - and; iḍaviḍā - of Iḍaviḍā; sutaḥ - son; rāvaṇaḥ - Rāvaṇa; kumbhakarṇaḥ - Kumbhakarṇa; ca - also; tathā - so; anyasyām - in the other; vibhīṣaṇaḥ - Vibhīṣaṇa.

Text

Viśravā had two wives. The first wife was Iḍaviḍā, from whom Kuvera, the master of all Yakṣas, was born, and the next wife was named Keśinī, from whom three sons were born — Rāvaṇa, Kumbhakarṇa and Vibhīṣaṇa.

Purport

Srimad Bhagavatam. Canto 4: Creation of the Fourth Order

Chapter 1: Genealogical Table of the Daughters of Manu. Text 37

Viśravā had two wives. The first wife was Iḍaviḍā, from whom Kuvera, the master of all Yakṣas, was born, and the next wife was named Keśinī, from whom three sons were born — Rāvaṇa, Kumbhakarṇa and Vibhīṣaṇa.