Clyde Langer's grandmother

From Tardis Wiki, the free Doctor Who reference

Clyde Langer's grandmother lived next door to Edith Randall until, according to Clyde, "her old fella died". The pair's relationship went "way back". She told Mrs Randall that Clyde would not mind doing chores when he visited Lavender Lawns. (TV: Eye of the Gorgon)