I'm a long term lurker, occasional poster on mumsnet.
I recently peak-transed thanks in great part to the excellent and very clear posts by people such as Datun and Pisa (thank you).
We've been waiting for an aristocrat to challenge the laws of primogeniture (as exempt from the GRA) and it looks like the Earl of Balfour has stepped into the breech. See link below. This just got a brief mention on the Today prog.
www.telegraph.co.uk/news/2017/11/29/lord-balfour-outdated-succession-law-means-daughter-could-claim/