President Bush had been receiving treatment for a form of Parkinson's disease and had been admitted to hospital with a blood infection in April.
The former president leaves behind a long legacy in worldwide politics.
Jeb Bush retweeted the image, adding "Sully has the watch".
Those reflections will continue throughout the week, when Bush's casket travels from Houston, Bush's hometown, to Washington, DC to lie in state in the United States Capitol.
President Trump and first lady Melania Trump plan to attend the ceremony Wednesday morning at the National Cathedral in Washington. He said it was going to be a tough week and he looked forward to it being over.
David J. Phillip Pool AP
During their time in the White House, the presidential pets were Millie, a springer spaniel, and later one of Millie's puppies, named Ranger.
President Bush's body will lie in repose at St. Martin's Episcopal Church, Houston, Texas. There, he will help wounded veterans and service members during their recovery. The detail, made up of agents who enjoyed a close relationship with the former President, will be with him until he is interred and in the second vehicle in the motorcades that will lead to all the ceremonies.
Bush's death has also led to a series of symbolic moments. But the decorated war veteran is also fondly remembered for his love of fun, colorful socks.
A photo of George H.W. Bush's service dog looking sad as it lay on the floor in front of his flag draped coffin has gone viral. He will be honored during several public and private events in Houston and Washington before his burial Thursday in Texas.
In photo, Bush’s service dog honours the late president
This week will see four days of events including a state funeral at the National Cathedral in the USA capital on Wednesday. Solemn preparations were underway Sunday for America's national farewell to George H.W.
Deutsche Bank raided over Panama Papers link
On average, equities analysts expect that Deutsche Bank AG will post 0.36 earnings per share for the current year. "... The Panama Papers - millions of documents from Panamanian law firm Mossack Fonseca - were leaked to the media in 2016.
Google wants to officially ditch Hangouts for RCS messaging in 2020
Indeed his primary frustration appears to be the idea that users might think that Google is giving up on messaging, period. Google is no stranger to killing off services, and it seems that one of its next victims could be Hangouts.