_____________________
                                            |                     
                       _Robert PORTEUS _____|
                      |                     |
                      |                     |_____________________
                      |                                           
 _Robert PORTEUS _____|
|                     |
|                     |                      _John SMITH _________
|                     |                     |                     
|                     |_Mildred SMITH ______|
|                                           |
|                                           |_Mary WARNER ________+
|                                                                 
|
|--Mildred PORTEUS 
|  
|                                            _____________________
|                                           |                     
|                      _____________________|
|                     |                     |
|                     |                     |_____________________
|                     |                                           
|_Judith COCKAYNE ____|
                      |
                      |                      _____________________
                      |                     |                     
                      |_____________________|
                                            |
                                            |_____________________