Thanks for your interest.
There's a family legend that there was a portion of land/property somewhere between Bridgend and Cardiff that slipped through their fingers. Now I wish that I had paid more interest in this tale when I first heard it 30+ years ago. There was talk of the word "chancery" that leads me to think that some sort of protest occured.
The nearset substance that I can find is the daughter who didn't benefit from her mother's will. I saw something similar happen in 2017 so it's entirely possible it happened in 1926.
So, what I actually know is.....
1868 Celia H mothers an illegitimate daughter, Mabel, and the father is named as David M.
Surprisingly, Mabel is brought up 30 miles away with David's parents and, between 1871 and 1881, goes from grand-daughter to daughter and takes on their surname.
1878 Celia marries Henry T, they have no children.
1905 Henry dies near Cowbridge and leaves the bulk of his estate to Celia
1924 Celia T dies in Cardiff in Apr.
1925 William H (Celia's brother) dies in Cardiff
1926 Celia's admon to Sarah H (William's wife)
1926 Sarah dies in Cardiff
William and Sarah H are living about 15 minutes walk from Celia; Colum Road and Cathedral Road. I have no doubt that William knew of Celia's situation* and, I'm guessing, funded her stay in the nursing home. I've William's will on order, his estate was worth £13,000+.
As far as I know so far, Mabel got nothing and wonder if her dad, David M, tried to get a slice of pie for his daughter.
Edit. *William knew of Celia's death, he was "in attendance"!