In 1929 he was a member of the military court that tried José Sánchez Guerra for the artillery revolt at Ciudad Real.

[2] As General of the Infantry Brigade he remained faithful to the Republican government from the early days of the Spanish Civil War.

He was appointed head of the Organic Division I, occupying the vacant position that existed after the failed coup of July 18.

However, in early September his forces suffered heavy defeats in Oropesa and Talavera de la Reina that caused processing.

López-Bago married Milagros Ojeda Varona, his first wife, who was President of the Red Cross in Larache[5] and his second wife, Manuela Ruiz Juan, who was president of the Red Cross committee for the Spanish Republic in exile in France.