Derived Houses
Derivative Houses, House to House or Derived House System are not a complicated method of predicting from a Natal Chart or a Horary Chart. Only problem is learning to turn the houses so you are in the right house to predict.
House to House, Derived or Turned Houses are all often used in Natal or Horary Astrology. They are used when you have a complex question that needs to be answered. Ex: What is happening to my daughter’s husband? Find house of daughter, then go to opposite house of husband. Look at sign, aspects and any planets in it. Gives you a lot of information to tell your clients. Asking personal questions of your client is very important to clarify certain planetary configurations.