Six Maids in a Pool
Six maids there were in a spring-fed pool...
A Storm of Swords
When Jaime Lannister, Brienne of Tarth, and Ser Cleos Frey pass through Maidenpool, they espy Jonquil's Pool from which the town took its name. Jaime begins singing, but Brienne tells him to be quiet.
A Feast for Crows
When she thinks of returning to Maidenpool, Brienne recalls that Jaime had laughed when she told him to stop singing.
Brienne: What are you doing?
Jaime: Singing. 'Six Maids in a Pool,' I'm sure you've heard it. And shy little maids they were, too. Rather like you. Though somewhat prettier, I'll warrant.