Philip of Swabia 

Philip enjoyed his brother's confidence to a very great extent, and appears to have been designated as guardian of the young Frederick, afterwards the emperor Frederick II, in case of his father's early death. In 1197 he had set out to fetch Frederick from Sicily for his coronation when he heard of the emperor's death and returned at once to Germany. He appears to have desired to protect the interests of his nephew and to quell the disorder which arose on Henry's death, but events were too strong for him. The hostility to the kingship of a child was growing, and after Philip had been chosen as defender of the empire during Frederick's minority he consented to his own election. He was elected German king at Muhlhausen[?] on March 8, 1198, and crowned at Mainz on the September 8 following.

Meanwhile a number of princes hostile to Philip, under the leadership of Adolph, archbishop of Cologne, had elected an anti-king in the person of Otto, second son of Henry the Lion, duke of Saxony. In the war that followed, Philip, who drew his principal support from south Germany, met with considerable success. In 1199 he received further accessions to his party and carried the war into his opponent's territory, although unable to obtain the support of Pope Innocent III, and only feebly assisted by his ally Philip Augustus, king of France. The following year was less favourable to his arms; and in March 1201 Innocent took the decisive step of placing Philip and his associates under the ban, and began to work energetically in favour of Otto. The two succeeding years were still more unfavourable to Philip. Otto, aided by Ottokar I, king of Bohemia, and Hermann I[?], landgrave of Thuringia, drove him from north Germany, thus compelling him to seek by abject concessions, but without success, reconciliation with Innocent. The submission to Philip of Hermann of Thuringia in 1204 marks the turning-point of his fortunes, and he was soon joined by Adolph of Cologne and Henry I, duke of Brabant.

On January 6, 1205 he was crowned again with great ceremony by Adolph at Aix-la-Chapelle, though it was not till 1207 that his entry into Cologne practically brought the war to a close. A month or two later Philip was loosed from the papal ban, and in March 1208 it seems probable that a treaty was concluded by which a nephew of the pope was to marry one of Philip's daughters and to receive the disputed dukedom of Tuscany. Philip was preparing to crush the last flicker of the rebellion in Brunswick when he was murdered at Bamberg, on June 21, 1208, by Otto of Wittelsbach[?], count palatine in Bavaria, to whom he had refused the hand of one of his daughters. He left no sons, but four daughters; one of whom, Beatrix, afterwards married his rival, the emperor Otto IV. Philip was a brave and handsome man, and contemporary writers, among whom was Walther von der Vogelweide, praise his mildness and generosity.

See W. von Giesebrecht, Geschichte der deutschen Kaiserzeit, Bd. V. (Leipzig, 1888); E. Winkelmann, Philipp von Schwaben und Otto IV. von Braunschweig (Leipzig, 1873-1878); O. Abel, Konig Philipp der Hohenstaufen (Berlin, 1852); Regesta imperil. V., edited by J. Picker (Innsbruck, 1881); R. Schwemer, Innocenz III und die deutsche Kirche wahrend des Thronstreites von 1198-1208 (Strassburg, 1882); and R. Riant, Innocent III, Philippe de Souabe, et Boniface de Montferrat (Paris, 1875).

This text is from the 1911 Britannica.