challenge: What is Boček I of Poděbrady known for in relation to the House of Kunštát?
  
  A. Being the last ruler of the House of Kunštát
  B. Leading a major rebellion against the House of Kunštát
  C. Founder of the Poděbrady line of the House of Kunštát
  D. Marrying into the House of Kunštát
  Answer: 