House of Astarac
Cadet branch of the House of Gascony
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House of Astarac
Lords of Mirande
Counts of Astarac
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House of Astarac de Fontrailles
Lords and Viscounts of Fontrailles
Barons and Marquises of Marestaing -
House of Montlezun
Lords and Barons of Montlezun
Counts of Pardiac