SB 3.14.8

ditir dākṣāyaṇī kṣattar
 mārīcaṁ kaśyapaṁ patim
apatya-kāmā cakame
 sandhyāyāṁ hṛc-chayārditā
Word for word: 
ditiḥ — Diti; dākṣāyaṇī — the daughter of Dakṣa; kṣattaḥ — O Vidura; mārīcam — the son of Marīci; kaśyapam — Kaśyapa; patim — her husband; apatya-kāmā — desirous of having a child; cakame — longed for; sandhyāyām — in the evening; hṛt-śaya — by sex desires; arditā — distressed.
Translation: 
Diti, daughter of Dakṣa, being afflicted with sex desire, begged her husband, Kaśyapa, the son of Marīci, to have intercourse with her in the evening in order to beget a child.