The important personalities belonging to this royal house are Mandhatri, Muchukunda, Ambarisha, Bharata, Bahubali, Harishchandra, Dilīpa, Sagara,[5] Raghu, Dasharatha, Rama, and Pasenadi.
[7] Some Hindu texts suggest Rishi Marichi, one of the seven sages and first human creations of Brahma as the progenitor of the dynasty.
Later, Vivasvan, son of Kashyapa and Aditi, famously known as the Hindu god Surya married Saranyu who was the daughter of Vishvakarman, the architect of devas.
[8] After the death of the powerful king Prasenjit and disappearance of his successor Viḍūḍabha after defeating the Shakyas, the kingdom of Kosala declined.
King Sumitra, who regarded himself to be the last Suryavamsha ruler, was defeated by the powerful emperor Mahapadma Nanda of Magadha in 362 BCE.
sa vai vivasvataḥ putro manur āsīd iti śrutam tvattas tasya sutāḥ proktā ikṣvāku-pramukhā nṛpāḥ Satyavrata, the saintly king of Dravida kingdom, received spiritual knowledge at the end of the last millennium by the grace of the Supreme.
The earliest recorded reference to the Ikshvaku dynasty can be found in the Swayambhustotra, a Sanskrit epic poem composed by Acharya Samantabhadra, a Jain poet originally from Tamil Nadu.