David Matthews (73), the father-in-law of Pippa Middleton in Paris and has been arrested on suspicion of raping a teenager during a holiday in France at the end of the nineties. This reports The Sun. Hotel David Matthews is the father of James Matthews, who in may last year married the younger sister of Kate Middleton, wife of prince William. He is also the father of realityster Spencer Matthews. A family member would David have reported to the police.