Analysis of information sources in references of the Wikipedia article "Claes Oldenburg" in English language version.
Oldenburg was married to Patty Mucha (nee Muchinski) from 1960 until their divorce in 1970, and to Coosje van Bruggen from 1977 until her death. His brother Richard died in 2018. He is survived by his stepdaughter, Maartje, and stepson, Paulus.