The 1571 deed names doña Milia as Juan’s wife.

Source occurrence
doña Milia
Explore names on the mapRole in this source: Mentioned in the source
Named in the 1571 deed as Juan López de Vaamonde’s wife.
Claims & citations
The deed’s doña Milia may be the article’s Hermelia de Quiroga, Juan’s first wife; equating the names is an inference.
Record
Annuity sale at Ribadavia, 1571
Arquivo da Deputación de Pontevedra, Familia Malvar / Palacete de Salcedo, sig. 12.930/2
A redeemable annuity sold on 3 December 1571 before the notary Juan de Balcázar. Read only through a working English translation; no public catalogue link has been found.
Source detailsPublic archival link pending