So the king called unto him Sir Dinas, the Seneschal, and prayed him for his sake to take upon him to joust with Sir Uwaine. Sir, said Sir Dinas, I am full loath to have ado with any knight of the Round Table. Yet, said the king, for my love take upon thee to joust. So Sir Dinas made him ready, and anon they encountered together with great spears, but Sir Dinas was overthrown, horse and man, a great fall. Who was wroth but King Mark! Alas, he said, have I no knight that will encounter with yonder knight? Sir, said Sir Gaheris, for your sake I will joust. So Sir Gaheris made him ready, and when he was armed he rode into the field. And when Sir Uwaine saw Sir Gaheris’ shield he rode to him and said: Sir, ye do not your part. For, sir, the first time ye were made Knight of the Round Table ye sware that ye should not have ado with your fellowship wittingly. And pardie, Sir Gaheris, ye knew me well enough by my shield, and so do I know you by your shield, and though ye would break your oath I would not break mine; for there is not one here, nor ye, that shall think I am afeard of you, but I durst right well have ado with you, and yet we be sisters’ sons. Then was Sir Gaheris ashamed, and so therewithal every knight went their way, and Sir Uwaine rode into the country.