A Feast for Crows (appears)|
A Dance with Dragons (appendix)
A Feast for Crows
Gretchel is among the servants charged with taking care of Robert Arryn. She helps with altering and fitting the clothes of Lysa Arryn for Lysa's young niece, Sansa Stark. Gretchel remains behind at the Eyrie to prepare Lord Robert for his descent to the Gates of the Moon after all the other servants have departed.