The request was made by a group of residents and approved by the local City Hall. Arrangi was born in Lemoa in 1936 and lived in Durango from the age of 4. However, since she was not born within the association, she cannot be named "adoptive daughter" and will be designated "adoptive daughter".

Among his ethnographic works, he was the coordinator of the Ethnographic Atlas of the Basque Country and focused on the cultural movements of Durango: Among others, acting as secretaries of the Gerediaga association. In the first legislature of the post-Francoist regime, he was also a councillor in the City Hall of the Biscayan locality of Durango. All municipal groups have joined the nomination proposal, stressing the importance of their actions and the work of this woman in a men's field.