Um, how about no.

He lusted after his queen, and then ran into the woods to hook up with some forest princess to produce Galahad. Sounds pretty straight to me.

They're so hyperfocused on their own bullshit, they can't even realize that the story itself was a bit "progressive" for its time. Galahad the bastard was the one to find the Grail and be carried off in a heavenly chariot, leaving his buddy behind.