Diego López V de Haro, nicknamed el Intruso ( c. 1250 – 1310), was a Spanish noble of the House of Haro and held the title of the Lord of Biscay which he took from the pretender to the title, John of Castile . He further served in the capacity of Mayordomo mayor del rey and the Alférez del rey of Ferdinand IV of Castile.
Diego López V de Haro (c. 1250 - enero de 1310), apodado el Intruso, fue un magnate y ricohombre castellano. Era hijo de Diego López III de Haro, señor de Vizcaya,  y de Constanza de Bearne.  
The arms of Diego López V de Haro, Lord of Biscay. Its composition is the basis for the coat of arms of many towns and villages in Biscay. The Lord of Biscay is the title that was granted to those who controlled the Biscayan territory. House of Haro. Íñigo López, 1040–1077; Lope Íñiguez, 1077–1093, son of Íñigo López
Diego López V de Haro, apodado el Intruso (c. 1250 – 1310). Fue hijo de Diego López III de Haro, señor de Vizcaya, y de su esposa, Constanza de Bearne. Por parte paterna fueron sus abuelos Lope Díaz II de Haro, señor de Vizcaya, y su esposa, Urraca Alfonso de León, hija ilegítima del rey Alfonso IX de León.
When Don Diego López V De Haro Señor De Vizcaya was born in 1250, his father, Diego López Haro, was 35 and his mother, Constance Béarn, was 26. He had at least 5 sons and 1 daughter with Violante de Castilla, Señora de Vizcaya. In 1307, at the age of 59, his occupation is listed as mayordomo mayor del rey.
Diego López V de Haro, nicknamed el Intruso , was a Spanish noble of the House of Haro and held the title of the Lord of Biscay which he took from the pretender to the title, John of Castile. He further served in the capacity of Mayordomo mayor del rey and the Alférez del rey of Ferdinand IV of Castile.
Diego López IV de Haro (born ?, died 1289), who succeeded his father as Lord of Biscay and as head of the House of Haro. After his death, there was a struggle over the succession of the Lordship of Biscay between Diego's paternal uncle, Diego López V de Haro , and his sister, María II Díaz de Haro who was supported by her husband and King ...
Diego López I de Haro (died 1124×6) was the third Lord of Biscay, and also the ruler of Álava, Buradón, Grañón, Nájera, Haro, and perhaps Guipúzcoa: the most powerful Castilian magnate in the Basque Country and the Rioja during the first quarter of the twelfth century.
Embajador, adelantado mayor, gobernador y capitán general de Galicia. Diego López de Haro, nacido entre 1438 y 1449 según recientes estudios, era hijo de Juan Alonso de Haro, V señor de las villas de El Busto y de la Rivilla, y de Aldonza Carrillo de Mendoza, hija de Diego Hurtado de Mendoza, conde de Priego, y de su mujer, Teresa Carrillo.
Diego López V de Haro. Spanish noble of the House of Haro (c.1250–1310) Upload media. Wikipedia. Date of birth. 1250. Date of death. January 1310.