The daughter of what  actor is an American actress and adult film performer, who is the niece of  an American actor, comedian, singer, dancer, writer, and producer?
Kelly Jean Van Dyke Kelly Jean Van Dyke (June 5, 1958 – November 17, 1991) was an American actress and adult film performer. She was the daughter of actor Jerry Van Dyke, niece of the actor Dick Van Dyke, and cousin once removed of Shane Van Dyke.
Cathryn Harrison Cathryn Mary Lee Harrison (born 25 May 1959) is an English actress. She is the daughter of the actor and singer Noel Harrison and Sara Lee Eberts and the granddaughter of actor Sir Rex Harrison. Her siblings, Simon and Harriet Harrison are also in the acting profession. Cathryn Harrison has half-siblings from her father's second marriage, Will and Chloe, and an older half-sister, Zoe, from her mother's first marriage to Carleton John Richard Tufnell. In May 1996 she married Paul Laing. Her uncle is playwright and activist Carey Harrison.