x x

Parents

Half-siblings

On x x 's side

Ancestry

The great-grandparents

x x   x x   x x   x x       x x   x x
|
8
  |
9
  |
10
  |
11
    |
14
  |
15



 


   


|   |     |

The grandparents

x x   x x   x x   x x
|
4
  |
5
  |
6
  |
7



 


|   |

The parents

x x   x x
|
2
  |
3



|
  x x