Skandapurana 16.129.32

16.129.32

bhavatāṃ yograṇīrjyeṣṭhaḥ sa cemāmudvaheddhruvam ..
dāsye varṣāśanaṃ paścādīpsitaṃ bhavatāṃ dvijāḥ .. 32 ..

Whoever is your foremost leader and eldest, let him certainly marry her. / Afterwards, O twice-born, I shall give you your desired year's supply of food.”