Queen Blanche I Biographical Information A Sembaran human (she/her), of the House of Sewick b. DR 1538 - d. DR 1567, died at age 29 years High Queen of Sembara, Ardlas, Lavnoch, and Breva (February 13th, 1561 - DR 1567) A ruler of Sembara during the 1560s, she was the second child of Reginald. Her death launched the Interregum of 1568, as her sisters, Anne and Elaine I disputed the succession.