SB 9.24.47-48

subhadro bhadrabāhuś ca
 durmado bhadra eva ca
pauravyās tanayā hy ete
 bhūtādyā dvādaśābhavan
nandopananda-kṛtaka-
 śūrādyā madirātmajāḥ
kauśalyā keśinaṁ tv ekam
 asūta kula-nandanam
Synonyms: 
subhadraḥ — Subhadra; bhadrabāhuḥ — Bhadrabāhu; ca — and; durmadaḥ — Durmada; bhadraḥ — Bhadra; eva — indeed; ca — also; pauravyāḥ — of the wife named Pauravī; tanayāḥ — sons; hi — indeed; ete — all of them; bhūta-ādyāḥ — headed by Bhūta; dvādaśa — twelve; abhavan — were born; nanda-upananda-kṛtaka-śūra-ādyāḥ — Nanda, Upananda, Kṛtaka, Śūra and others; madirā-ātmajāḥ — the sons of Madirā; kauśalyā — Kauśalyā; keśinam — a son named Keśī; tu ekam — only one; asūta — gave birth to; kula-nandanam — a son.
Translation: 
From the womb of Pauravī came twelve sons, including Bhūta, Subhadra, Bhadrabāhu, Durmada and Bhadra. Nanda, Upananda, Kṛtaka, Śūra and others were born from the womb of Madirā. Bhadrā [Kauśalyā] gave birth to only one son, named Keśī.