Theory unprovable
In the Family Portrait site the younger Adelaide daughter is holding a doll that is wearing the same dress as her. Perhaps they were twins, one died at a young age and Constance (or some other power) trapped her soul in the doll?

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.