<page_title> List of Castilian consorts </page_title> <section_title> House of Trastámara </section_title> <table> <cell> John I <col_header> Spouse </col_header> </cell> <cell> Beatrice of Portugal <col_header> Name </col_header> </cell> </table>
Beatrice of Portugal became Queen consort of Castile by marriage to King John I of Castile.