At the age of fourteen, Richard was betrothed to Emma, daughter of Hugh the White, Count of Paris, a nobleman whose increasing power had long been a subject of jealousy both to the court of Flanders and to the King of France. On hearing of the intended connection between these two mighty vassals, they united their forces to prevent it, and called in the aid of Otho, Emperor of Germany, and Conrad, King of Burgundy. While Louis and Conrad attacked the Count, Otho and Arnulf entered Normandy, and laid siege to Rouen, but on the way thither were attacked by an ambuscade under the command of the young Richard himself, who now for the first time bore arms, and greatly signalized himself, putting the Germans to flight, and killing the Emperor’s nephew with his own hand. Otho still advanced and invested Rouen. Wishing to know what resources the city contained, he sent to ask Richard’s permission to enter it, in order to pay his devotions at the shrine of St. Ouen. His request was granted, and in passing through the streets he perceived that the city was so well defended that he could not hope to take it. On his return to the camp, he told his council that he intended to make his peace with the Duke of Normandy, by delivering up to him the Count of Flanders, the author of the expedition. His council, however, persuaded him that this would be a disgraceful action; and Arnulf, receiving some hint of his proposal, in the middle of the night quitted the camp with all his men, and returned to Flanders. The noise of his departure awoke the Germans, who, imagining themselves to be attacked by the besieged, armed themselves in haste, and there was great confusion till morning, when, perceiving The departure of the Flemings, they set fire to their camp, and took the road to Germany. The Normans, sallying out of the town, harassed the rear, killed a number of them, and took many prisoners, and a great quantity of baggage. In 954, Louis was killed by a fall from his horse, and was succeeded by his son Lothaire, who inherited all his dislike to the Normans, and especially hated the young duke, the companion of his boyhood, whose fame had so far exceeded his own, both in feats of arms and skill in government, and who, though only twenty-three, had been chosen by the wise and great Count of Paris as the guardian of his children, and the model on which his sons were to form themselves.