He married Teresa de Boyrie de Moya, daughter of Louis Emile de Boyrie Pillot (of French origin) and Mercedes Antonia de Moya y Moya (from an upper-class Dominican family); they begat three sons: Wenceslao Nicolás, Bernardo, and Luis Eduardo “Eddy”.
Ancestry
Ancestors of Julio Vega Batlle
16. Juan Manuel de la Vega
8. José Rafael Vega Bravo
17. Isabel María Bravo Rubio
4. José Rafael Vega Pichardo (1844–1897)
18. José Cayetano Pichardo Tejada
9. Margarita Crescencia Pichardo Contreras
19. Mª. Dolores Contreras Mestre
2. José Nicolás Vega Llenas (1867–1925)
20. Joseph Llenas Colomer (1783–?)
10. Joaquim Zenon Joseph Llenas Baralt (1816–1855)