Cæsarius meantime had returned to the Court and had received from Valens a valuable piece of preferment in Bithynia; but in the end of 368 or beginning of 369, having been terrified by a great earthquake, during which he had been in considerable danger, he was arranging matters for his final retirement, when he was seized with illness, and very soon died, leaving all his property, which must have amounted to a considerable sum, to his brother in trust for the poor.  He was buried at Nazianzus, and on the occasion of his funeral his brother preached the Sermon which is numbered VIII. in the Benedictine Edition.  About the same time, but a little later, Gorgonia also departed, and he preached a funeral sermon on her too.  Eusebius of Cæsarea died in 370, and Basil at once wrote an urgent letter to Gregory, begging him to come to Cæsarea, probably in order to get him elected Archbishop.  Gregory, however, declined to go, and he and his father exerted themselves to the utmost of their power to procure the election of Basil; the elder Gregory writing through his son two letters, one addressed to the people of Cæsarea, the other to the Provincial Synod, urging Basil’s claims very strongly.  Though ill at the time, he managed to convey himself to the Metropolis in time for the meeting of the Synod; and Basil was elected and consecrated.  Gregory wrote him a letter of congratulation; not, however, a very warm one; but when troubles began to arise he spoke out with all the fervour of their early friendship in support of the Archbishop.  About this time Valens divided the civil Province of Cappadocia into two, one of which had Cæsarea, the other Tyana, for its Metropolis.  Anthimus, Bishop of the latter See, thereupon claimed to be ipso facto Metropolitan of the new Province, a claim which Basil strenuously resisted, as savouring of what we call Erastianism.  A long dispute followed, in the course of which Basil, to assert his rights as Metropolitan, and to strengthen his own hands, erected several new Bishoprics in the disputed Province; and to one of these, Sasima, a miserable little village he consecrated his friend Gregory, almost by force.  Gregory was, not unnaturally, indignant at this treatment; while Basil, whose great object had been to strengthen himself against Anthimus, took it as unkind of Gregory to be so reluctant to comply with his friend’s wishes.  So the two were for a long time in very strained relations to one another.  Although, however, Gregory ultimately yielded to the earnest wish of his father, and submitted to the authority of the Archbishop, yet he did not disguise his reluctance, and in the Sermons which he preached on the occasion (Or. ix. x.) he spoke very strongly on the point.  Anthimus, however, occupied the village of Sasima with troops, and prevented Gregory from taking peaceable possession of his See, which it is probable he never actually administered, for his father begged him to remain at Nazianzus and continue his services as coadjutor Bishop.  The contest about the Metropolitanate of Tyana went on for some time, but in the end, mainly by Gregory’s mediation, it was amicably settled.  In 374 Gregory the elder died, and his wife also, and thus our Saint was set free from the charge of the diocese.  He spoke a panegyric at his father’s funeral, and wrote a number of little “In Memoriam” poems to his mother’s memory; and out of respect for his father continued to administer the See of Nazianzus for about a year, making great efforts meanwhile to secure the appointment of a Bishop.  But, perceiving that his efforts would be fruitless, because of the devotion of the people to himself, he at length withdrew, after a very serious illness, to Seleucia in Isauria (375,) where he lived three or four years, attached to the famous Church of S. Thecla.  Very little is known of his life there; but it must have been at this period that he heard of the death of Basil, upon whom two years later in the Cathedral of Cæsarea he pronounced a splendid panegyric.