From A Wiki of Ice and Fire
Faith of the Seven|
|Died||In 54 AC, at Dragonstone|
|Book(s)||Fire & Blood (mentioned)|
Maryam died at the end of 54 AC. At first, it was thought she had died of an illness. Later, it was revealed that she had been poisoned by Androw Farman using the tears of Lys, who was jealous of Rhaena's friendships with her ladies.
- Fire & Blood, Birth, Death, and Betrayal Under King Jaehaerys I.