Dos Hombres is one of over a dozen medium-to-largesized centers in northwestern Belize and adjacent portions of northeastern Guatemala, a study area known as the Three Rivers Region (Figure 1). Rio Azul, Guatemala is the most extensive ruin in the region, but La Milpa—the third largest site in Belize—may have been the largest Late Classic site in the area (Adams 1999; Adams et al. 2004; Houk 1996; Robichaux 2002: 3). Hieroglyphic texts in the region are uncommon, and the names of individual rulers are known from only a handful of sites, including Rio Azul and La Milpa (Adams 1999; Grube 1994; Robichaux 1990, 2000). Other than the possible mention of a visit to Rio Azul by someone from La Milpa on the badly damaged Stela 2 at Rio Azul (Robichaux 2000), only one text has been discovered to