In the Vishnu Purana (1.9.140–145), Sage Parāśara said:
Thus, Maitreya, in former times, the goddess Śrī conferred these boons upon the king of the gods, being pleased by his adorations; but her first birth was as the daughter of Bhrigu by Khyāti: it was at a subsequent period that she was produced from the sea, at the churning of the ocean by the demons and the gods, to obtain ambrosia.
She is not limited by being the daughter of Sage Bhrigu, which is why she is referred to as Bhrigu kanyā, Bhārgavī (daughter of Sage Bhrigu) and Sindhusutā (daughter of Ocean), as stated by Sage Parāśara himself.
For in like manner as the lord of the world, the god of gods, Janārddana, descends amongst mankind (in various shapes), so does his coadjutrix Śrī. Thus, when Hari was born as a dwarf, the son of Aditī, Lakṣmī, appeared from a lotus (as Padmā, or Kamalā); when he was born as Rāma, of the race of Bhrigu (or Paraśurāma), she was Dharaṇī; when he was Rāghava (Rāmacandra), she was Sītā; and when he was Kṛṣṇa, she became Rukminī. In the other descents of Viṣṇu, she is his associate. If he takes a celestial form, she appears as divine; if a mortal, she becomes a mortal too, transforming her own person agreeably to whatever character it pleases Viṣṇu to put on.
As stated in various scriptures, she is the mother of the universe, movable & immovable, and thus manifests as the daughter of influential figures of her own choice.
त्वमम्बा सर्वभूतानां देवदेवो हरिः पिता। त्वयैतद्विष्णुना चाम्ब जगद्व्याप्तं चराचरम्॥ १०॥
10. You are the mother of all beings, and Lord Hari (Viṣṇu), the god of gods, is the father. O Mother! This world of movable and immovable beings is pervaded by you and lord Viṣṇu.
Agni Purana 237.10
Conclusion: The Great Mother Goddess Mahālakṣmī is not bound to human relations.
śrī lakṣmī nārāyaṇāya namaḥ
