Charles Martel left two sons, Carloman and Pepin, by his first wife, of whom nothing is known, and a third, Grifo, by the captive Bavarian princess Swanahild, who is sometimes called his second wife and sometimes his concubine. In the first partition of his dominions, which was made known before his death, he apportioned Austrasia, Swabia (Alamannia), and Thuringia, the German provinces, to his eldest son, Carloman; Neustria, Burgundy, and Provence, to Pepin, the chief inheritor of his glory. In this arrangement the son of Swanahild was wisely passed over; but the entreaties of his beautiful spouse induced Charles, at the very end of his life, to set apart a portion from each of the two kingdoms above mentioned for Grifo; an unfortunate step, which only brought destruction on him who received the fatal gift.
The mischievous effects of the new partition showed themselves immediately. The subjects of Grifo, among whom alone he could look for sympathy and support, were discontented at being arbitrarily separated from the rest of the empire; and the ill-feeling of the seigneurs and people in all parts of the country appears to have been enhanced by the prejudice existing against Swanahild, both as a foreigner and on account of the great influence she exercised over the heart of Charles. So strong, indeed, was the feeling of the Franks upon the subject, that we may fairly doubt whether Carloman and Pepin themselves, had they been so inclined, would have been able to secure to their brother the possession of the territory allotted to him.
Whatever sentiments the two eldest brothers previously entertained towards Grifo, they were soon rendered openly hostile by the flight of their sister Hiltrude to the court of Bavaria, and her unauthorised marriage with Otilo, the duke of that country. Swanahild and Grifo, who were naturally looked upon as the instigators of this unwelcome alliance, shut themselves up in the fortress of Laon; but being entirely without resources, they yielded up the place and themselves as soon as Carloman and Pepin appeared with an army before its walls. The favourite wife of the mighty Charles Martel was sent into a nunnery at Chelles, and Grifo was imprisoned in the castle of Neufchâteau, in the forest of Ardennes.
Having placed a Merovingian named Childeric on the throne,—which their father for some time before his death had left unoccupied,—the young princes marched an army towards Aquitaine; for Hunold the son of Eudes, the sworn vassal of Charles Martel, had manifested his rebellious intentions by throwing Lantfred, the Frankish ambassador, into prison. Crossing the Loire, they devastated Aquitania as far as Bourges; and were on the point of overrunning the whole country, when the intelligence of the still more serious rebellion of the Swabians compelled them suddenly to break off their campaign in the south, and return to the heart of their dominions. Preparations of unusual magnitude had been made for the war by the dukes of Swabia and Bavaria, who had invited the Saxon and Slavonian tribes to make common cause against the Franks. The sudden return of the Frankish army, however, frustrated their half-completed plans. In the autumn of the same year, Carloman crossed the Rhine, fell upon the Swabian duke Theobald before his Bavarian allies were ready to take the field, and compelled him to renew his oath of allegiance, and to give hostages for its observance.
[742-745 A.D.]
In the meantime, Otilo, duke of Bavaria, the husband of the fugitive princess Hiltrude, was doing all in his power to strengthen himself against the expected attack of the Franks, and was evidently acting in concert with Duke Hunold of Aquitaine. The defeat of the Swabians was a heavy blow to his hopes; but he had gone too far to recede, and having united a body of Saxons and Slavonian mercenaries with his own subjects, he took up a position on the farther side of the river Lech, and stockaded the banks to prevent the enemy from crossing. The Franks came up soon afterwards, but found the Bavarians so strongly entrenched, that they lay fifteen days on the opposite bank without attempting anything. After a diligent search, however, they discovered a ford by which they crossed the river during the night, and, falling on the unsuspecting enemy, put them to flight, and drove them with great slaughter across the river Inn.
Childeric
(From a French print of 1832)