Bertha of
Queen consort of
Born (c1075) – Died (after Nov 17, 1099)
Buried in the Chapel of San Mancio within the Abbey of Santos Facundo y Primitivo at Sahagun
Father – William I of Burgundy
Mother – Stephanie of Metz
Bertha became the fourth wife (before April 28, 1095) to Alfonso VI of Castile
No children