painting of alfonso x of castile, father of alfonso fernández el niño . in 1262, when around 19 years of age, charged presiding on commission division of land of conquered taifa of niebla, expropriating land king s brother, infante henry of castile of pedro lorenzo, bishop of cuenca. 5 years later, in april 1267, worked ferrand garcía, archdeacon of niebla, , royal scribe, domingo ruiz, in territorial demarcation of huelva, isla saltés, niebla, , gibraleón. aided in task various caballeros, hombres buenos, , muslim experts knew land , villas demarcated. after defeat of mudéjars of andalucia , murcia, had risen in revolt against king alfonso x in 1264, alfonso fernández stayed in area around jerez de la frontera. on 12 october 1269, alfonso x ordered there no more 30 donadíos in city , rest of land pass population of city. later in year, advice diego sánchez de funes amongst others, participated in demarcation of medina-sidonia. in 1272, alfonso of molina died , alfonso fernández, alon...