Count Henry ruled as a vassal of Alphonso VI., whose Galician marches were thus secured against any sudden Moorish raid.
But dissensions broke out between the Aragonese and Catalans and the Neapolitans, and Alphonso had Caracciolo arrested; whereupon Joanna, fearing for her own safety, invoked the aid of Sforza, who with difficulty carried her off to Aversa.
He endeavoured to curry favour with Yusef by betraying the other Mahommedan princes to him, and intrigued to secure the alliance of Alphonso against the Almoravide.
He arranged with the king to moot a series of financial projects the acceptance of which by His Majesty would have implied a long tenure of office for the Conservatives, and so Alphonso XII.
Diniz, who had been educated by Amyeric of Cahors, proved himself the most fecund poetking of his day, though the pleiad of fidalgos forming his court, and the jograes who flocked there from all parts, were fewer in number, less productive, and lacked the originality, vigour and brilliance of the singers who versified round Alphonso III.
Sagasta derived much benefit from the divisions which made democracy powerless; and he Was able to cope with Carlism chiefly because the efforts of the pretender himself abroad, and of his partisans in Spain, were first restrained and then decisively paralysed by the influence of foreign courts and governments, above all by the direct interference of the Vatican in favor of the Spanish regency and of the successor of Alphonso XII.
At Cochin Siqueira took on board certain adherents of Alphonso d'Alboquerque who were in bad odour with his rival d'Almeida, among them being Magellan, the future circumnavigator of the world, and Francisco Serrao, the first European who ever lived in the Spice Islands.
Till middle life he was also lieutenant-general in Aragon for his brother and predecessor Alphonso V., whose reign was mainly spent in Italy.
Estevao Soares, archbishop of Braga, placed himself at the head of the nobles and churchmen who threatened to usurp the royal power during Sancho II.'s minority, and negotiated an alliance with Alphonso IX., by which it was arranged that the Portuguese should attack Elvas, the Spaniards Badajoz.
On the death of Alphonso in 1481, his counsellors and favourites were harshly treated by his successor John, and Abrabanel was compelled to flee to Spain, where he held for eight years (1484-1492) the post of a minister of state under Ferdinand and Isabella.