I was interested in your Probert(s) of Ynyshir
I am unsure if you have the full tree I see your william on the 1911 census married to minna whats interesting is their daughters name Averina it is Williams mothers sisters name.
We need to be incontact if you are related this is fantastic you are the first lost Proberts to be found.
I have a lot of info to share.
William Richard Probert b 1841 aberystwyth =m= Hannah Jenkins b 1845 aberystwyth
William R Probert 1841 occupation Blacksmith d 1910 Ynyshir
Hannah died 1911 ynyshir
they had seven children eldest William Edward Probert b 1870 your greatgrandfather?
second child Richard James Probert b 1872 my great ggrandfather.
Is there a connection?