It happened at the end, when the family that won was doing the speed round. Which is where two of the players have to answer the same five questions, and get a total of 200 points.
When Richard first left the 'Feud' in 1985, an executive producer estimated that he had kissed "somewhere in the vicinity of 20,000 women."
One of them was Gretchen Johnson, who came on with her family in 1981. They started dating soon after that, and got married in 1991. They had a daughter, and were still married at the time of his death.
On a recent episode of "Family Feud", a contestant was asked to name "something that gets passed around", and his answer was surprising. See the video on the next page.