[8] Also other family members served in the uniformed forces: Juan's brother Miguel Sanz Amigot in the Guardia Civil, and rose to the rank of a coronel; he formed part of command layer of Decimotercero Tercio, a unit covering the provinces of Vizcaya, Gipuzkoa, Álava and Navarre.

[9][10] Unlike his ascendants Juan Nepomuceno Sanz Amigot did not marry a local a girl and wed Josefa Escartín Mainer[11] (in some sources named as Mayner),[12] a native of Jaca, descendant to an Aragonese family of petty landholders and civil servants noted already in 15th century.

[14] Growing in the family of military tradition, the young Cesáreo was from the onset prepared to join the army; in 1857 he became a cadet[15] in Colegio de Infanteria in Toledo, where in 1861 he completed the standard curriculum and was promoted to the first officer rank of alférez.

Though no author explicitly claims there were none, no genealogical website features any descendants and obituaries of both Sanz and his wife did not mention any; moreover, in last will he administered that personal fortune left after his death be spent on religious purposes.

A younger cousin of Cesáreo, Eduardo Sanz Escartín, was a Conservative politician; during late Restoration he grew to civil governor of Barcelona and minister of labor, though he is known mostly as one of sociology pioneers in Spain.

[30] In June 1874 he organized a daring attempt to capture Lumbier, an episode which almost cost him life when cut off from his troops, in an isolated house and with personal staff only he fought off enemy soldiers.

At that time Sanz was already responsible for organizing Cuerpo de Inválidos and Batallones Sedentarios, makeshift stopgap formations set up as the Carlist war machine was already running out of steam.

Once conde de Caserta assumed command of Ejercito Real del Norte Sanz moved to another staff assignment appointed segundo jefe of his Estado Mayor;[35] at that time the Carlist troops were already in full retreat.

Located in iconic Alcázar premises and admitting hundreds of officer hopefuls every year it became not only a city landmark, but also exercised enormous influence on local life, with massive impact in terms of lodging, transportation, services and production, all geared to address the academy needs.

[38] The Infantry Academy gave rise also to private schools, supposed to prepare candidates to pass the Academia entry exams; during last decades of the 19th century there were 5-8 such establishments operating.

[43] Sanz's educational establishment seems to have worked well; in 1905 it claimed that 267 of its alumni had passed the Infantry Academy entry exams so far,[44] some of them admitted as "numero uno" in their respective classes.

Sanz remained on the sidelines of the movement's meager public initiatives; neither in contemporary press nor in scholarly historical works he is noted among provincial, regional or national party leaders.

[51] However, he remained engaged in the party, subscribing to Traditionalist press and taking part in mobilization projects formatted as cultural initiatives, e.g. in the mid-1880s donating money to the monument of Tomás Zumalacarregui.

When the new party leader marqués de Cerralbo changed the strategy from abstention to active participation in national political life, Sanz emerged among candidates to take part in electoral race.

It seems that his engagement boiled down to signing up to initiatives animated by Carlist parliamentary champions, mostly Juan Vázquez de Mella; their scope ranged from education to economy to military issues.

[69] The single time he was mentioned single-handedly was when the disciplinary commission considered legal action against Sanz; the motion, eventually abandoned, resulted from his article published in El Correo Español and deemed anti-constitutional.

This translated to his somewhat more energetic activities, be it in terms of co-ordinating nationwide projects with nominal party leadership[72] or taking part in public rallies, be it in Pamplona[73] or in Madrid;[74] he also took advantage of his deputy status protesting to civil authorities about alleged mistreatment of Carlist activists.

In 1897 he was invited to the claimant's residence in Venice to take part in editing the Carlist doctrinal manifesto, though little is known about his actual contribution to the so-called Acta de Loredan.

[81] Full picture of the attempt remains obscure; it seems that the Carlist command put off the insurgency, which in Catalonia got out of hand and materialized as few isolated revolts, known as La Octubrada.

[84] On the other hand, contemporary press reported his alleged differences with Carlos VII, pointed to his supposed opposition to military action and speculated this was the reason for no official reprisal measures having been administered versus Sanz.

[85] La Octubrada caused major shakeup in the Carlist political command, with marqués de Cerralbo replaced by Matías Barrio y Mier as the king's Jefe Delegado.

Details of the bid are not clear, except that Sanz was endorsed as a Carlist candidate;[88] at that time he was already sort of an iconic Navarrese figure, acknowledged even in not necessarily hostile press couplets.

Sanz's term in the Senate was not marked by particular controversies; it was only once that he came under fire as alleged "generalisimo de Requetés", a freshly created Carlist youth organization, whose members were suspected of running a sabotage campaign.

In 1916, when the Navarrese jefe Francisco Martínez found it impossible to square the circle of conflicting loyalties and resigned, Cerralbo appointed Sanz as his replacement;[106] at that time Don Jaime was isolated in his house arrest in Austria and the party was almost entirely taken over by de Mella supporters.

[114] Sanz was anticipating the worst and possibly preparing a would-be secession, he took steps intended to transfer ownership of the party mouthpiece, El Correo Español, to a commercial company controlled by the Mellistas.

[115] The Spanish Carlists were eventually denied French visas and did not show up in Paris,[116] but as late as in February 1919 the clash did not seem inevitable: Don Jaime confirmed Sanz as temporary president of Junta Superior.