Lignage Of Lancelot (and a load of characters) according to the Vulgate Cycle
From this site
Also in some parts it’s said that Elaine and her sister Evaine (Lancelot’s and Bors’ mothers) descend from King David I don’t remember how thought. 

Lignage Of Lancelot (and a load of characters) according to the Vulgate Cycle

From this site

Also in some parts it’s said that Elaine and her sister Evaine (Lancelot’s and Bors’ mothers)¬†descend from King David I don’t remember how thought.¬†