Mahabharata 12.122.47
ब्रह्मा पितामहस्तस्माज्जागर्ति प्रभुरव्ययःपितामहान्महादेवो जागर्ति भगवाञ्शिवः
brahmā pitāmahastasmājjāgarti prabhuravyayaḥpitāmahānmahādevo jāgarti bhagavāñśivaḥ
Our plain-language meaning of this verse is waiting for scholar review.