Myclaimtoliterary fameisthat Iusedto deliver meattoa woman who becameT. S. Eliot's mother-in-law.

-Bennett, Alan
  In the Observer, 26  Apr. The lady in question was the mother of Eliot's wife Valerie Fletcher; Bennett's father was the butcher in the sameYorkshire village.

But there, everything has its drawbacks, as the man said when his mother-in-law died, and they came down upon him for the funeral expenses.

-Jerome,Jerome K(lapka)
  Three Men in a Boat, ch.3.

I had mixed feelingsölike watching your mother-in-law drive over a cliff in your car.

-Venables,Terry
  Of Paul Gascoigne's move fromTottenham Hotspur to the Italian club Lazio. Quoted in David PickeringThe Cassell Soccer Companion (1994).