Is Goddess Parvati, sister of Vishnu?

Parvati is also known by her other name - Mother Gauri Jagdamba, in the form of Shakti. Mahavishnu, or the supreme Purusha, is a transcendental parabrahma, and as a result, as nirguna Brahman, he transcends all gunas. The original Prakruthi or the divine Mother set into motion the creation of the whole creation. As a result, She is regarded as the sibling of Purusha Narayana.