Skandapurana 5.209.22

5.209.22

etasminnaṃtare brahmā jagrāha tritayaṃ ca tat..
dākṣiṇyātsarvadevānāmanicchannapi pārthiva ..
mamanthuḥ sāgaraṃ rājanpunaste yatnamāśritāḥ .. 22 ..

In the meantime, Brahmā took that triad / out of courtesy toward all the gods, O king, even though unwilling. / Resorting to effort again, O king, they churned the ocean.