Shiva Purana
ततः परात्सुषुम्नेशाद्ब्रह्मरंध्रेश्वरादपि ॥ ततः परस्माच्छक्तेश्च परस्ताच्छिवतत्त्वतः ॥ २८ ॥
After that, from Lord Suṣumneśa, Lord Brahmā and Lord Śiva appeared. Then beyond that and beyond that of Shakti in the essence of Shiva.
english translation
tataH parAtsuSumnezAdbrahmaraMdhrezvarAdapi ॥ tataH parasmAcchaktezca parastAcchivatattvataH ॥ 28 ॥
hk transliteration by Sanscript