Mrs Hudson was the housekeeper of Sherlock Holmes and John Watson. In 1887, she served the Seventh Doctor tea and Madeira cake at Holmes' residence. (PROSE: All-Consuming Fire)
Iris Wildthyme once held a party in Hobbe's End in 1972 which Mrs Hudson attended. (PROSE: From Wildthyme with Love)
Mr. Hudson was also the housekeeper of George Litefoot. (AUDIO: The Mourning After)