This answer to the question "What are the Saptapadi or the seven promises of marriage?" provides seven shlokas known as "SaptaPadi" and is said to be of great importance in Vivaha Sanskar.
त्वत्तो मेऽखिलसौभाग्यं पुण्यैस्त्वं विविधै: कृतै: ।
देव ! संपादितो मह्यं वधूराद्ये पदेऽब्रवीत् ।।
IAST: tvatto me’khilasaubhāgyaṃ puṇyaistvaṃ vividhai: kṛtai: |
deva ! saṃpādito mahyaṃ vadhūrādye pade’bravīt ||
Translartion: O Lord! I have had the good fortune of acquiring you due to the various types of merits acquired by me in various births.
I have tried finding source/reference for these shlokas in text/scripture but the only references I found are blogs and articles and hence I would like to post this question.
The physical books which I have also gives the same shlokas but the citation is missing. So, Is there any reference for this shlokas in our scriptures e.g Brahman Granthas or Grihya Sutras?