'At Lichtenstein’s studio, Blum told him he was determined to buy the painting. But it had already been sold to the dealer Ileana Sonnabend, Castelli’s wife. “I said, ‘Roy, I’ve got it: I’ll marry Ileana. I simply have to have that painting.’”
https://www.nytimes.com/2023/09/04/arts/design/irving-blum-roy-lichtenstein.html