SB 4.13.18

sunīthāṅgasya yā patnī
 suṣuve venam ulbaṇam
yad-dauḥśīlyāt sa rājarṣir
 nirviṇṇo niragāt purāt
Word for word: 
sunīthā — Sunīthā; aṅgasya — of Aṅga; yā — she who; patnī — the wife; suṣuve — gave birth to; venam — Vena; ulbaṇam — very crooked; yat — whose; dauḥśīlyāt — on account of bad character; saḥ — he; rāja-ṛṣiḥ — the saintly King Aṅga; nirviṇṇaḥ — very disappointed; niragāt — went out; purāt — from home.
Translation: 
The wife of Aṅga, Sunīthā, gave birth to a son named Vena, who was very crooked. The saintly King Aṅga was very disappointed with Vena’s bad character, and he left home and kingdom and went out to the forest.