Kashyap rishi’s wife devi Aditi had twelve sons, Vivaswana, Aryama, Pusha, Twashta, Savita, Bhag, Dhata, Vidhata, Varuna, Mitra, Indra and Trivikrama. विवस्वान, अर्यमा, पूषा, त्वष्टा, सविता, भग, धाता, विधाता, वरुण, मित्र, इन्द्र और त्रिविक्रमTogether they are called the twelve Adityas.
Twashta was married to rachana, the younger sister of the Daityas, Rachana and they had two sons - Sannivesha and Vishwarupa. सन्निवेश और विश्वरूप