Here it is for 2013: http://circe.kandai.org/FamilyChart/DCTP2013.jpeg
Legend:
Light Red/Pink background: In Abs. and PT Harem
Old:
2012:
http://circe.kandai.org/FamilyChart/DCTP.jpg
2011 or something:
Spoiler:

As Text made by Jd-: (outdated)
Spoiler:
Jd- wrote: The DCTP Family Tree... in text form!
— Abs. is theof PhoenixTears, the child of Conia and xpon, a harem leader with PhoenixTears, the BFF of Jd-, and the
of GinRei.
— Akonyl is considered "one being" with PhoenixTears and hopelessidiot and is the unofficially married lover of Kleene Onigiri, the cousin of Nyarl, the seat of Grawwbear, and the secret lover of ranger.
— Beer is the lover of both Dus and Kogorou.
— Belphegor is the married lover of KainTheVampire.
— Bluekaitou1412 is the married lover of Girl19, the nephew of Jd-, and the sibling of Yurikochan, nomemory, Meme, and lyndsi.
— breva is lovers with Dus and a sibling to Parkur.
— Callid is lovers with nomemory, as well as being the partner andof Conia.
— Cheesus is a revolutionary since disowned by his father, Jd-, who remains the associated sibling of Edogawa4869, Kaito Lady, Parkur, and Tanner-kun.
— Commi-Ninja is the sister of PhoenixTears, a ninja, and the secret lover of Jd-.
— Conia is married to Yurikochan, is the parent of Abs., the rival of PhoenixTears, the partner of Callid, as well as being Callid's.
— Dus is lovers with beer and breva, a rival of Kogorou, and the father of Yurikochan.
— Edogawa4869 is the son of Jd- and Kleene Onigiri, the sibling of PhoenixTears, the associated sibling of Cheesus, Kaito Lady, Parkur, and Tanner-kun, and is also known to serve as Grawwbear's backpack.
— GinRei is theof Abs. as well as the object of a secret crush by kkslider.
— Girl19 is the married lover of Bluekaitou1412.
— Grawwbear is known to use Kleene Onigiri as a hat, Edogawa4869 as a backpack, and Akonyl as a seat.
— hopelessidiot is considered "one being" with Akonyl and PhoenixTears and is lovers with Kirbypepe, the daughter of pofa, and the sibling of Parkur.
— Jd- is the father of Parkur, Tanner-kun, Kaito Lady, Edogawa4869, and Cheesus (since disowned), the BFF of Abs., the uncle of Bluekaitou1412, theof Kleene Onigiri, and the secret lover of Yurikochan, TEAARRRRSSSS, and Commi-Ninja.
— KainTheVampire is the secret lover of Kogorou, the sister of nomemory, and the married lover of Belphegor.
— Kaito Lady is the daughter of Jd-, the sister of KaitoGirl, and the associated sibling of Cheesus, Edogawa4869, Parkur, and Tanner-kun.
— KaitoGirl is the sister of Kaito Lady.
— Kirbypepe is the confirmed lover of hopelessidiot, who is considered "one being" with Akonyl and PhoenixTears, which... makes things interesting, to say the least.
— kkslider is the lover of ranger who secretly crushes on both GinRei and Parkur.
— Kleene Onigiri is the unofficially married lover of Akonyl, the mother of Edogawa4869 and Parkur, theof Jd-, the secretly married lover of Yurikochan, and the occasional hat to Grawwbear's furry head.
— Kogorou is lovers with beer, the rival of Dus, and the secret lover of KainTheVampire.
— lyndsi is a sibling of Bluekaitou1412 and possible serial murderer (trial pending).
— Meme is the sibling of Bluekaitou1412.
Miaka is siblings with xpon.
— nomemory is lovers with Callid, the sister of KainTheVampire, and a sibling of Bluekaitou1412.
— Nyarl is a cousin of Akonyl's who is secretly crushed on by ranger.
— Parkur is married to Sherlock3, is secretly crushed on by kkslider, is siblings with breva and hopelessidiot, is secret lovers with Yurikochan, is the son of Kleene Onigiri and Jd-, and is the associated sibling of Cheesus, Edogawa4869, Kaito Lady, and Tanner-kun.
— PhoenixTears is theof Abs., the sister of Commi-Ninja, the secret lover of Yurikochan and Jd-, the sibling of Edogawa4869 and Jd-, the rival of Conia, and a harem leader with Abs.
— pofa is known as God and was once considered "one being" with Akonyl, PhoenixTears, and hopelessidiot, and is the lover of ProfParanoia as well as the mother of hopelessidiot.
— ProfParanoia is the confirmed lover of God, also known as pofa.
— ranger is the lover of kkslider and the secret lover of Akonyl who secretly crushes on Nyarl.
— red.orchid is the adopted younger sister of xpon.
— Sherlock3 is married to Parkur.
— Sonoci is the child of everyone.
— Tanner-kun is the son of Jd- and the associated sibling of Cheesus, Edogawa4869, Kaito Lady, and Parkur.
— Yurikochan is married to Conia, is the daughter of Dus, is the sister of Bluekaitou1412, and is secret lovers with Parkur, PhoenixTears, and Jd-, as well as Kleene Onigiri to whom she is also married, secretly.
— xpon is the parent of Abs. along with Conia, a sibling of Miaka, and the adopted brother of red.orchid.