Ulrich von Zatzikhoven's version of his story has him grow up in the "Isle of Maidens," though most versions show him accompanied by cousins, like Lionel, who have also been driven out by Claudas.  
In the romance Cliges, this man is, unusually, listed as a villain.  Ulrich von Zatzikhoven's version of his story has him grow up in the "Isle of Maidens," though most versions show him accompanied by cousins, like Lionel, who have also been driven out by Claudas.  Godefroi de Leigni finished the last thousand lines of another work about him that sees him sleep in a bed with a flaming lance and cross a sword bridge before defeating Meleagant, despite having suffered the indignity of being carried by a dwarf in a cart. This man, who single-handedly kills a quarter of the Round Table in Le Morte d'Arthur, sleeps with Elaine to sire Galahad, and later has an affair with Guinevere.  FTP, name this greatest knight of the Round Table.
In the romance Cliges, this man is, unusually, listed as a villain.  
{Lancelot }du Lac (3) [DL]