SB 10.52.22

rukmy agrajo rukmaratho
 rukmabāhur anantaraḥ
rukmakeśo rukmamālī
 rukmiṇy eṣā svasā satī
Word for word: 
rukmī — Rukmī; agra-jaḥ — the first-born; rukma-rathaḥ rukmabāhuḥ — Rukmaratha and Rukmabāhu; anantaraḥ — following him; rukma-keśaḥ rukma-mālī — Rukmakeśa and Rukmamālī; rukmiṇī — Rukmiṇī; eṣā — she; svasā — sister; satī — of saintly character.
Translation: 
Rukmī was the first-born son, followed by Rukmaratha, Rukmabāhu, Rukmakeśa and Rukmamālī. Their sister was the exalted Rukmiṇī.