Hudson (All-Consuming Fire)
From Tardis Wiki, the free Doctor Who reference
Mrs Hudson was the housekeeper of Sherlock Holmes and John Watson.
Biography
Mrs Hudson had a son named Jack. In 1882, she employed Rose Donnelly as a maid. (FP: Erasing Sherlock)
In 1887, she served the Seventh Doctor tea and Madeira cake at Holmes' residence. (NA: All-Consuming Fire)