Mark Shand | Brother of duchess, 62
Clarence House said Mark Shand, 62, died in the hospital Wednesday after falling late Tuesday.
It said in a statement that Camilla, her husband Prince Charles, and all of her family members are "utterly devastated by this sudden and tragic loss."
"Mark Shand was a man of extraordinary vitality, a tireless campaigner and conservationist whose incredible work through the Elephant Family and beyond remained his focus right up until his death," it said.
He was in New York for a charity auction at Sotheby's. - AP