Dreamweaver, that is a beautiful set of sisters! They are all lovely, but I think Julia is the prettiest. Agnes' features work perfectly on her, combined with Hank's hair (And eyes?)
Also, does she have freckles? Did you add them in with the CAS cheat, or are they natural? I though children born in game couldn't get freckles?
Regarding Thornton and Morgana having children... In my Dreamweaver Immortal Dynasty, they had a kid or two. Thornton's grandson, Mario Wolff, married my 4th generation Banana Dreamweaver. So, from that point on, all of the Dreamweaver heirs have Wolff blood. Mario had Thornton's hair, which he passed on to his daughter, Cinnamon. It showed up again in Cinnamon's granddaughter, Bubblegum. I changed the gray tips to pink and 8th generation Forest had Thornton's hair with the pink tips from his mother, Bubblegum.
Here is where Mario Wolff showed up in the story.
It's very interesting how well the unusual grey-tipped hair was passed down. I would think it would get overridden, but apparently not. Also, it's funny how if a parent dyes her hair in the Sims 3, the baby will inherit the dyed colour, not the original. To my knowledge, this actually wasn't the case in the Sims 2. Genetics were more complicated back then, though.