Bowie, the co-commander of the Texian forces, collapsed from illness on the second day of the siege; Alsbury nursed him throughout the remainder of the siege. On March 4, Texian co-commander William Barret Travis sent her as an emissary to Mexican commander Antonio Lopez de Santa Anna to negotiate an honorable surrender for the Texian forces.
Bowie, the co-leader of the Texian army, became ill on the second day of the siege; Alsbury took charge of him throughout the rest of the siege. On March 4, William Barret Travis sent her as a messenger to Mexican commander Antonio Lopez de Santa Anna to discuss terms for a surrender by the Texian forces.