Orla, daughter of Wledyr, was the elder sister of Nimue. They both appear as little children in Wyrwa, small village in Brugge. Together with other children from the village they gathered round and listened to old Pogwizd. He told them adventures from the past. Both girls wished to hear more about the love story between Yennefer and Geralt.
This scene has no influence on the current events of the novel.