The president announced the death of his brother late Saturday.
“It is with heavy heart I share that my wonderful brother, Robert, peacefully passed away tonight,” he said in a statement. “He was not just my brother, he was my best friend. He will be greatly missed, but we will meet again. His memory will live on in my heart forever. Robert, I love you. Rest in peace.”
He was 71 years old, according to The Associated Press.