Hedda and Kierra Norell are 2 elventwins.

They are outside at the back of the Companions Hall in Whiterun.

To make them follow you, I recommend 1 of these mods:

UFO - Ultimate Follower Overhaul

http://www.nexusmods.com/skyrim/mods/14037/?

Amazing follower tweak

http://www.nexusmods.com/skyrim/mods/15524/?

required files:

Pretty Lips textures for the wetlooks on the lips

http://www.nexusmods.com/skyrim/mods/1167/?

Caliente's Beautiful Bodies Edition -CBBE- by Caliente

http://www.nexusmods.com/skyrim/mods/2666/?

SG Hairpack

http://pan.baidu.com/wap/link?uk=3574985185&shareid=2204221951&third=0

credits to:

NannyOggins for making this mod for me

Endorse if you like plz

Also, feel free to post some of your screenshots here