‘In early life [Rip van Dam] married Sara Van der Spiegle ,,, by whom he had … Catalyntie, the wife of Walter Thong, whose daughter Mary married Robert Livingston, 3d proprietor of the Manor of Livingston.’
Robert Livingston was born 16 December, 1708, married (I) Maria, daughter of Walter Thong or Tong, and granddaughter of Rip Van Dam, President of the Council, on 20 May, 1731.