8 - Kirsten Stewart, Robert Pattinson, and Taylor Lautner:
Image 1: http://www.nylonmag.com/modules/magsection/article/uploaded_images/2664_i3_KristenStewart-3.jpg
Image 2: http://alohomora-pt.50webs.com/robertpattinson1.jpg
Image 3: http://scifiwire.com/assets_c/2009/01/Twilight_TaylorLautner-thumb-500x368-10797.jpg
13 - Middle Ages/Medieval Period/Dark Ages (1046)
Image: http://chisnell.com/art/Age%20of%20Faith/_w/martini_jpg.jpg
15 - Adele, their grandmother
Image: http://truebloodnet.com/wp-content/uploads/2008/11/loissmith.jpg