What King was supposed to go into the clergy, and wrote religious tracts in his early time as King?

Question

What King was supposed to go into the clergy, and wrote religious tracts in his early time as King?

Answer 1

Henry VIII, was supposed to go into the clergy and was trained for that position as a child.  His older brother Arthur was supposed to be King, but died at age 16.  Henry became King, and as a response to Luther's 99 theses, wrote, "In defense of the seven sacraments" most likely with the help of Sir Thomas More.

Answer 2

Henry Vlll

wrote religious tracts and the Pope gave him the title "defender of the faith"

is this what you are thinking of