Liafiel Family

Here is the family tree of House Baratheon:

                   Steffon==+==? Eastermont
                            |
                   +--------+------------------+
                   |        |                  |
     Cersei==+===Robert  Stannis==+==Selyse  Renly
   Lannister |     |              | Florent 
             |     |              |
   +----+----+     +------+       |
   |    |    |     |      |       |  
Joffrey | Tommen  Mya   Edric  Shireen
     Myrcella    Stone  Storm