Fernando de la Cerda temporarily regent, however died (1 nov 1274 ano – 24 jul 1275 ano)

Descrição:

Alfonso's son, Fernando de la Cerda, was regent during his travel to HRE.
Had to handle invasion of Marinids, but died suddenly on July 24.
The new leader of defending the frontier, Nuno Gonzalez de Lara, also died in September. Additionally, Archbishop Sancho II of Toledo died in October.
Alfonso's second son, Sancho, now assumed military command.
Alfonso managed to sign a truce at his return.

[O'Callaghan, Introduction in Chroncile of Alfonso X, pp.3-4].

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