Clara's brother Henry died 26 February 1925 he left a will, sister Selina Payne spinster is named as his executor.
His address 6 Clifton Square, Albert Road, Peckham. Ref Probate Index.
It may tell you if Clara is still living.
Henry never married and lived for many years with his spinster sister Mary Ann Payne, yet she was not named as executor, a possible death being reg. Camberwell -1921 age 64