Did Robert Sean leonards's daughter played Cuddy's daughter in House Md?

No, Robert Sean Leonard's daughter did not play Cuddy's daughter in "House, M.D." Cuddy's daughter, Rachel, was portrayed by actress Jennifer Morrison's real-life niece, who appeared in the series. Robert Sean Leonard is known for his role as Dr. James Wilson on the show, but there is no direct familial connection to the character of Cuddy's daughter.