Since Clark was Lord Kal El of the House of El, I always figured it was Nor's given name and his House was something else. The next question is why Kal El and Jen Mai were always called by both names? dizzy

Big Apricot Superman Movieverse
The World of Lois & Clark
Richard White to Lois Lane: Lois, Superman is afraid of you. What chance has Clark Kent got? - After the Storm