The House of Troy

                 Teucer
                   |     
      Dardanus___Batea
               |
         Erichthonius
               |
              Tros
      _________|_________
      |                 |
     Ilus           Assaracus
      |                 |
   Laomedon           Capys
      |                 |
    Priam___Hecuba   Anchises___Aphrodite
  ________|________           |
  |       |       |         Aeneas
Hector Deiphobus Paris 

cited from: Hamilton, Edith. Mythology. Little Brown & Company, January 1950.

The Family Tree of Helen of Troy

                        Aeolus
      ____________________|____________________
      |                                       |
   Perieres                                 Deion
      |                                       |
      |                                    Cephalus___Procris
      |                                             |
      |___________________________________      Arcesius       
      |                                  |          |             
      |                               Icarius    Laertes         
 Tyndareus___Leda________________Zeus    |          |
      _____|_____     ____|____       Penelope___Odysseus
      |         |     |       |                |
      |         |     |       |            Telemachus
Clytemnestra Castor Helen  Pollux

cited from: Hamilton, Edith. Mythology. Little Brown & Company, January 1950.

A few gods appear more than once within the family trees up so far. This is because the family is very large and the duplication is there for continuity.

See:
Family Tree of the Gods of Greek Mythology