Looking for Ella May Gapes Possible Secon D Wife of John Friedrich Brack

Ella may Gapes is possibly the second wife of John Friedrich Brack, My great grandfather on my mum's side. She was adopted in 1240 by Charles george and Nellie Frances Gregory (nee brack). Stella May Sharpe was Friedrich's first wife. B1888 d1956. I am not sure if Stella or Ella is my Grandma's natural birthmother. Nana (Nellie) was born in 1911 and died in 2005.