María Díaz de Haro
Lady of Vizcaya · Historical Figures · Lived 1270 to 1342 · aged 72
María Díaz I de Haro "the Good" (1270-1342) was a Spanish noblewoman of the House of Haro. She was the daughter of Lope Díaz III de Haro who was assassinated by order of the king at Alfaro, La Rioja.
María Díaz de Haro is read about 20 times a day, in 9 languages.
A typical day, 30 days to 17 August 2026
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She is best known for being the Lady of Biscay and for her lifelong battle against her uncle, Diego López V de Haro, for the title of the lordship of Biscay.
