Her husband describes her as young, quite distractingly pretty and treating the parish as a joke arranged for her amusement. She herself admits she is a 'shocking' housekeeper but argues that matters only go worse when she tries. She is deeply in love with her much older husband because he is unable to resist her, though he disapproves of her, and because she never feels she quite knows him.
The Clements have an infant son named David in 'The Body In The Library' and Miss Marple consults a son named Leonard for his father in '4.50 from Paddington'. In The Mirror Crack'd it is implied that Griselda has been widowed and moved away from St. Mary's Mead - though she sends a card every Christmas to Miss Marple. Young Leonard is said to have become an engineer.