 Unlike most of the rest of Westeros, illegitimate children born in Dorne are treated nearly the same as legal offspring and given the surname Sand, as with Westerosi customs to give bastards a surname showing their origins.According to "A Storm of Swords", "There were three sorts of Dornishmen [...].There were the salty Dornishmen who lived along the coasts, the sandy Dornishmen of the deserts and long river valleys, and the stony Dornishmen who made their fastnesses in the passes and heights of the Red Mountains.