sentences:  In fact, all Charlemagne had done was promise that stolen ecclesiastical lands would be returned.Nevertheless, the clergy of Corsica supported the Papacy.In 1077, Pope Gregory VII wrote a letter addressed to the Corsican church, regretting that the Papacy had for so long neglected the island and announcing that he was sending Landulf, bishop of Pisa, as his apostolic legate to the island.