Lope Díaz I de Haro

Lope Díaz I de Haro
Coat of arms of the House of Haro
Born1105
Died6 May 1170
Noble familyHaro
Spouse(s)Aldonza Rodríguez
FatherDiego López I
MotherMaría Sánchez

Lope Díaz I de Haro (c. 1105 – 6 May 1170) was the fourth Lord of Biscay (from at least 1162). He was an important magnate in Castile during the reign of the Emperor Alfonso VII and in the kingdom of his son and grandson. Between 1147 and 1168 he is recorded as governing Old Castile on behalf of the crown.