The Poor Fellows were similar to begging brothers, but they wielded axes instead of bowls. The Poor Fellows and their knightly counterparts, the Warrior's Sons, were outlawed by King Maegor I Targaryen during the Faith Militant uprising.
When a begging brother preached against Dreamfyre residing at Fair Isle, Lord Marq Farman had him imprisoned in the dungeon of Faircastle, where the preacher eventually died. Humble begging brothers opposed House Targaryen's practice of polygamy, so the Seven Speakers espoused the Doctrine of Exceptionalism to change their minds.
A Clash of Kings
At Cobbler's Square in King's Landing, Tyrion Lannister sees a begging brother prophesizing about the red comet. When one prophet preaches that Ser Jaime Lannister had murdered the rightful king, Aerys II Targaryen, Queen Regent Cersei Lannister has Vylarr take six prophets to the dungeons.
A Feast for Crows
If you are here about those begging brothers, Tyrion, spare me your reproaches. I won't have them spreading their filthy treasons in the streets. They can preach to each other in the dungeons.
- A Clash of Kings, Chapter 20, Tyrion V.
- A Clash of Kings, Chapter 44, Tyrion X.
- A Feast for Crows, Chapter 4, Brienne I.
- The World of Ice & Fire, The Riverlands.
- A Feast for Crows, Chapter 28, Cersei VI.
- Fire & Blood, The Sons of the Dragon.
- Fire & Blood, A Surfeit of Rulers.
- Fire & Blood, A Time of Testing - The Realm Remade.
- Fire & Blood, The Dying of the Dragons - Rhaenyra Triumphant.
- A Clash of Kings, Chapter 25, Tyrion VI.
- A Feast for Crows, Chapter 8, Jaime I.