You can now complete your vampire family with Lucy the vampire child, you can find her in Castle Volkihar. She will move into the house of your choosing and act in the same way as other adoptable children.

Update-TK Children version of Lucy and Louis.

Update-RS Children version now available.

Update 1.1-Male vampire child Louis is now available (only vanilla for now). Kept the same esp name to preserve compatibility for people who already have Lucy and to reduce number of esps for people who have a lot of mods.

Installation:

Vanilla-Extract the esp to Skyrim/Data folder.

RS Children-Extract /meshes, /textures and esp to Skyrim/Data folder.

TK Children-Extract /meshes, /textures and esp to Skyrim/Data folder.

Uninstallation:

Delete LucyAdoptableVampire.esp, LucyAdoptableVampireRS.esp or LucyAndLouisTKChildren.esp and related files.

Requirements:

Vanilla

Skyrim 1.9
Dawnguard
Dragonborn
Hearthfire

RS Children version

Skyrim 1.9
Dawnguard
Dragonborn
Hearthfire
RS Children Overhaul by Ranaline

TK Children version

Skyrim 1.9
Dawnguard
Dragonborn
Hearthfire
TK Children by tktk1

http://www.nexusmods.com/skyrim/mods/55555/?
http://www.nexusmods.com/skyrim/users/2716809/?
Credits and thanks for RS Children Overhaul go to Ranaline.

http://www.nexusmods.com/skyrim/mods/49756/?
Credits and thanks for TK Children go to tktk1.