Who is son of Lord Rama and Sita?

Lava and Kusha were the two sons of Rama and Sita who were born while Sita was staying in the hermitage of the great sage Valmiki. The birth of the two sons of Rama was described in the Uttara Kanda of Ramayana. While Rama ruled the kingdom of Ayodhya with peace and prosperity, Sita, dwelling at the hermitage of Valmiki gave birth to two sons, and they were named Kusha and Lava. The two sons of Rama and Sita grew up in the forest hermitage, and Valmiki taught them wisdom, and made the great epic of Ramayana in shlokas, and gave them skill in recitation.