Overview
Adelaide of Brabant (also known as Alix of Brabant, Aleyde de Brabant, Alix of Louvain or Adelheid van Brabant), born around 1190, died in 1265, was Countess of Boulogne from 1262 to 1265, the third reigning Countess in succession. She was the daughter of Henry I, Duke of Brabant and Matilda of Boulogne.
Marriages
She first married Arnoul III, Count of Rieneck and Looz (died 1221), around 1206, without issue.
Widowed, she remarried on 3 February 1225, William X of Auvergne (died 1247), by whom she had three children:
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