dhwaja

Seeradhwaja was childless when once he found a baby in a furrow. He wanted to raise her as his own and at that instant, a divine voice asked him to do exactly that. This was Sita as per Ramayana Ayodhyakanda Sarga 118.

https://www.google.com/search?q=Seeradhwaja

Kushadhwaja had 3 daughters-

1. Urmila(married to Lakshmana), 
2. Mandavi (married to Bharata) and 
3. Shrutakeerthi (married to Shatrughna) 

as per Ramayana Balakanda Sarga 71.

Note Sita one son is named Kusha

https://www.google.com/search?q=Kushadhwaja