law: Transfer of Property Act, 1882
  30. Prior disposition not affected by invalidity of
  
  ulterior disposition
  If the ulterior disposition is not valid, the prior disposition
  
  is not affected by it.
  Illustration
  A transfers a farm to B for her life, and, if she does not
  
  desert her husband to C. B is entitled to the farm during her life as if no
  
  condition had been inserted.