María de Padilla
María Díaz de Padilla (1334 –Seville, July 1361) was the mistress of King Peter of Castile.
José María Díaz
José María Díaz( 1813–1888) was a Spanish journalist and playwright whose work is linked to Romanticism.
María Díaz II de Haro
María Díaz II de Haro( b. c. 1318 or 1320- d. 16 September 1348) was a Spanish noble of the House of Haro.
She was the daughter of Juan de Castilla y Haro and his wife, Isabel of Portugal and was Lady of Biscay from 1334 until her death in 1348.
Fernando Díaz de Haro (Lord of Orduña and Balmaseda)
Fernando Díaz de Haro was a Spanish noble of the House of Haro.
He was the second born son of Diego López V de Haro, the Lord of Biscay, and his wife, the infanta Violante de Castilla y Aragón, daughter of Alfonso X of Castile.
Fernando became lord of Orduña and Balmaseda in 1322, after the death of his brother, Lope Díaz IV de Haro who died without leaving any descendants.
Lope Díaz III de Haro
Lope Díaz III de Haro (b. ? – d. June 8, 1288, Alfaro) was a Spanish noble and head of the House of Haro.
He was the 8th Lord of Biscay, a post which he gained by hereditary means after the death of his father.
He held that title from 1254 until his own death in 1288 where he died attempting to assassinate the King of Castile.
José María Díaz Muñoz
José María Díaz Muñoz( born 4 July 1982) is a Spanish professional footballer who is currently a free agent.
Urraca López de Haro
Urraca López de Haro( c. 1160 – c. 1230), daughter of Count Lope Díaz de Haro, Lord of Biscay and his wife countess Aldonza, founders of the monastery of Cañas was Queen consort of León( 1185/1187–1188) following her marriage to King Ferdinand II( 1137 – 1188).
She founded the Monastery of Santa María la Real in Vileña where she retired and received burial.
María Díaz I de Haro
María Díaz I de Haro "the Good"
(b. 1254–1342) 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.
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.
Teresa Díaz II de Haro
Teresa Díaz II de Haro( born before 1254) was a Spanish noble woman and a lady of Biscay, and one of five children of Diego López III de Haro, the Lord of Biscay, and Constanza de Bearne.
Her maternal grandparents were the viscount Guillermo II de Bearne and his wife, Garsenda de Provenza.
Her paternal grandparents were Lope Díaz II de Haro, also Lord of Biscay, and of Urraca Alfonso de León, the illegitimate daughter of King Alfonso IX of León.
Amongst her siblings were Diego Lopez V de Haro and Maria II Diaz de Haro.
Luis María Díaz De Otazu
Luis María Díaz De Otazu (born 11 August 1966) is a Spanish former professional racing cyclist.
He rode in the 1995 Tour de France.

Question: What is the date of death of María Díaz I De Haro's father?
Answer: June 8, 1288