public notice of disowning a son by his father

 Mr X  is very disturbed and anguished  about continued misbehavior, irresponsible conduct  of his son and decides to give a public notice to disown his son,  his wife and  their children  and  debarr them  from all of  Mr X,s  movable and immovable properties and sever all the relationship ties with his son and his wife including his children. Is it  essential that Mr X has to dissolve his  existing partnership firm in which Mr. X  and  his son happen to hold 50:50  profit sharing.