Arias de Biedma (1) married Maria Urraca Mendez de Sotomayor, Marqueses del Carpio, and they had a son, Arias Biedma (2).

Note: Other sources call her Urraca Mendez de Sotomayor, agrees that she married an Arias Biedma, but says that they had a daughter called Maria Mendez de Biedma, who is shown in this genealogy as their granddaughter rather than their daughter.
------------------------------------------------------------------------

Child of Arias Biedma (1) and Maria Urraca Méndez de Sotomayo:

i Arias Biedma (2)