Teresa Díaz de Haro

Teresa Díaz de Haro
Coat of arms of the House of Haro
BornBefore 1254
Noble familyHaro
Spouse(s)Juan Núñez I de Lara
FatherDiego López III de Haro
MotherConstanza de Bearne

Teresa Díaz II de Haro (born before 1254) was a Spanish noblewoman 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 of Provence. 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 was Diego Lopez V de Haro.