A wealthy but lowborn cobbler, the High Sparrow swore off earthly possessions and devoted himself to the Faith of the Seven, the dominant religion of Westeros. His unassuming appearance contrsted with his powerful position as head the Faith. With the permission of Cersei Lannister, the High Sparrow reinstated the Faith Militant, a once-banned religious order that fanatically guarded the purity of the Faith and administered the justice of the gods. He then engineered an alliance with King Tommen and Queen Margaery, increasing his power. Present in the Sept of Baelor for Cersei's trial, the High Sparrow was among those killed in the explosion.
First cousin and a former lover of Cersei Lannister, lancel served as Robert Baratheon's squire. He swore himself to the Faith of Seven after suffering a grave injury during the Battle of the Blackwater. After Littlefinger told Olenna of Lancel's past activities, she used the information to force Lancel to confess his sins to the High Sparrow, who then had Cersei imprisoned. Lancel died uncovering the stash of wildfire Cersei used to destroy the Sept of Baelor.