Kin Groups and Descent. Descent is reckoned bilaterally. There are no lineages or corporate kin groups.
Kinship Terminology. Spanish kinship terminology is used by all, but Itza' speakers also use Itza' Maya kin terms. The Itza' kinship system is similar to the Spanish, but distinguishes relative age of siblings, with itz'in for younger sibling, kik for older sister, and suku'un for older brother.