Why Tully Bannermen Pledged Allegiance to Robb Stark Despite Hoster Tully’s Loyalty

In the intricate web of politics and family ties of A Song of Ice and Fire, the actions of House Tully's bannermen in supporting Robb Stark as the King of the Trident, while their liege lord Hoster Tully remained true to his oath, provide a fascinating insight into the dynamics of loyalty, power, and personal ambition.

War and Loyalty to House Stark

During the tumultuous period known as the War of the Five Kings, the political landscape became deeply chaotic. Many of House Tully's bannermen saw Robb Stark not only as a legitimate claimant to the throne but also as a capable military leader. Robb's victories in battle, his reputation for honor, and his just nature rallied support from those who valued strength and nobility.

Hoster Tully’s Condition

Hoster Tully, Hoster's age and poor health presented a significant opportunity for Robb to step into a leadership role. Some bannermen might have felt that Hoster was unable to effectively lead or protect their interests, thus creating a vacuum that Robb was ready to fill. This combination of Robb's strength and Hoster's declining capability led to this significant realignment of support.

The Stark-Tully Alliance

The long-standing alliance between the Tullys and the Starks, cemented through marriage, played a crucial role in the bannermen's decision. Catelyn Stark, Hoster Tully's daughter, meant that Robb not only had the blood of House Stark but also the loyalty of those who saw him as their own too. This familial connection reinforced their support for Robb.

Desire for Independence

Some bannermen may have sought to assert their own power and independence from the Lannisters, who were perceived as corrupt and tyrannical following the execution of Ned Stark. By supporting Robb, they aligned themselves with a cause that opposed the Lannisters and the central authority of King Joffrey. This desire for autonomy was a driving force behind their decision.

Charisma and Leadership

Robb's charisma and his ability to inspire loyalty among his followers played a significant role in garnering support. His reputation as a capable leader and warrior, coupled with his strong sense of justice, attracted many to his cause. This charisma combined with his strategic military prowess allowed him to win over those who initially may have been hesitant.

Power Dynamics and the Role of Lord Paramount

Despite Hoster Tully being the Lord Paramount of the Riverlands and not the King of any other region, he had the authority to speak for the entire Riverlands when declaring an alliance or war. Robb's declaration of war on the South and his proclamation of kingship led Hoster to formally recognize Robb as the King of the Trident for the Riverlands, thus making the Tully bannermen choose to follow Hoster or support Robb's claim.

In conclusion, the combination of Robb Stark's military successes, the Tully-Stark alliance, and the political turmoil of the time led the Tully bannermen to rally behind Robb as the King of the Trident. This decision was a complex interplay of loyalty, personal ambitions, and the desire for power and independence, reflecting the often ambiguous nature of allegiance in Game of Thrones.