Mascarose I of Armagnac (died 1246), was a Countess regnant

suo jure ''Suo jure'' is a Latin phrase, used in English to mean 'in his own right' or 'in her own right'. In most nobility-related contexts, it means 'in her own right', since in those situations the phrase is normally used of women; in practice, especi ...

of Armagnac and Fézensac in 1245-1246.

References

* « Fezenzac », dans Louis Charles Dezobry et Théodore Bachelet, Dictionnaire de Biographie et d’Histoire, vol. 1, Paris, 1863 {{Expand French, Mascarose Ire d'Armagnac, topic=gov, date=June 2022 13th-century women rulers 1246 deaths Counts of Fézensac Counts of Armagnac Year of birth unknown