His parents - by all accounts, Wyatt Cooper was Gloria's greatest love, or at least the one man who truly understood and loved her. You can see that Anderson has his father's eyes.
By the way...Anderson is on the cover of this month's Vanity Fair. Excerpt from his Katrina memoir, but it also covers the tragedy and imprint of his older brother' Carter's suicide back in the 80s. It illustrates Anderson's sensitivity despite being surrounded by wealth.