King of Videha, his capital was Mithila, also called Janakapura, Janaka’s city. Another name of Janaka is Siradhvaja.
Married with Sunayana. Father of Sita and Urmila. Sita he found in a furrow. The sisters married Rama and Lakshmana.
Coming from Videha Janaka and Sita are called Vaideha und Vaidehi.
His brother Kushadhvaja married his daughters Mandavi and Shrutakirti with Bharata and Shatrugna.