"Hugh Auchincloss Jr. was born to Hugh Auchincloss Sr. (1938−1998) and Katharine Lawrence Bundy. His mother was the daughter of lawyer Harvey Hollister Bundy and granddaughter of banker William Lowell Putnam. Auchincloss Sr. was a longtime surgeon at Columbia University and The Valley Hospital. His father is the first cousin once-removed of stockbroker Hugh D. Auchincloss."

hugh d. auchincloss would be jackie onassis' stepfather, btw.