Srimad-Bhagavatam: Canto 1 - Chapter 1 - Verse 27
Sanskrit:
सप्त स्वसारस्तत्पत्न्यो मातुलान्य: सहात्मजा: ।आसते सस्नुषा: क्षेमं देवकीप्रमुखा: स्वयम् ॥ २७ ॥
ITRANS:
sapta sva-sāras tat-patnyomātulānyaḥ sahātmajāḥāsate sasnuṣāḥ kṣemaṁdevakī-pramukhāḥ svayam
Translation:
His seven wives, headed by Devakī, are all sisters. Are they and their sons and daughters-in-law all happy?