Savitri is the chaste wife of Brahman. The caste Shachi is the wife of Indra. Dhumorna is the wife of Markandeya, and Riddhi of (king) Vaishravana.
सावित्री ब्रह्मणः साध्वी कौशिकस्य शची सती। मार्कण्डेयस्य धूमोर्णा ऋद्धिर्वैश्रवणस्य च॥