PEOPLEPhotos: Sister ActFor the fabulous Goodman girls—Wendy, Tonne, and Stacy—impeccable taste is a family value.by Holly Brubach04.22.15Photographer: Inez Van Lamsweerde and Vinoodh Matadin1Photographer: Inez Van Lamsweerde and Vinoodh MatadinWendy, Tonne, and Stacy Goodman (from left), New York, 2015. Max Mara jacket, $1,650, Max Mara, New York, 212.879.6100; Hermès sweater, $1,175, hermes.com. Gap turtleneck, $60, similar styles at gap.com. Inhabit sweater, $370, inhabitny.com.2The Goodman children, at home, New York, 1962. Courtesy of the Goodmans.3Stacy, at an archeological dig, Nevada, 1981. Courtesy of the division of Anthropology, American Museum of Natural History.4Photographer: Steven KleinVogue spread styled by Tonne, Amber Valletta, 2008.5Vogue spread styled by Tonne, Adele, 2012.6Vogue spread styled by Tonne, Patricia van der Vliet and Karlie Kloss, 2010. Photograph by Arthur Elgort.7Tony Duquette, cowritten by Wendy. Courtesy of Abrams Books.8The World of Gloria Vanderbilt, by Wendy Goodman. Courtesy of Abrams Books.9Stacy at the Sotheby’s booth at the Santa Fe art fair, 1997. Courtesy of the Goodmans.10Marian’s Jungle Gym watercolor, 1950s. Photograph by Marian Goodman.11Stacy at her desk at Sotheby’s, New York, 1995. Courtesy of the Goodmans.12The four siblings, at Jones Beach, New York, 1969. Courtesy of the Goodmans.13Marian and Tonne, in New York, 1955. Courtesy of the Goodmans.14Marian, the kids, and a nanny, Sands Point, New York, 1958. Courtesy of the Goodmans.