Hi. I found Dilys Golen-Ddydd Protheroe birth registered December Quarter 1909 Merthyr Tydfil Mother’s Maiden Name LEWIS
Eleazer Protheroe and Ellen are with their family on the 1911 Census and have been married 19 years,
There is a marriage of Eleazer Protheroe and Ellen Lewis - September Quarter 1892 in Merthyr Tydfil.
Hope this helps