He was also being treated for a form of Parkinson's disease. "Partly it was a great team with the president as commander in chief, Brent Scowcroft, national security adviser, Jim [Baker], the secretary of state and myself", he said.
Ryan recognized the late president on Saturday, along with several other prominent lawmakers and presidents.
Bush asked to hear Mulroney's acceptance speech, so the former prime minister read it out to him.
President Reuven Rivlin (L) and Knesset speaker Yuli Edelstein at the opening of the Knesset winter sitting, October 15, 2018.
"Jeb, Neil, Marvin, Doro, and I are saddened to announce that after 94 remarkable years, our dear Dad has died", he said.
He praised the elder Bush, who died Friday, as "a high-quality man who truly loved his family".
The leaders of Congress from both parties say an arrival ceremony will be held for the former president on Monday at 5 p.m. EST. "The quality of life had deteriorated a lot for him", Baker said.
In this September 19, 2017, photo, Senator Bob Corker is seen on Capitol Hill in Washington.More news: Bush's service dog will go on to help other soldiers
Republican Sen. Bob Corker of Tennessee said Bush "befriended political foes, reminding Americans that there is always more that unites us than divides us".
Shortly before leaving the service, he married his 19-year-old sweetheart, Barbara Pierce, a union that lasted until her death earlier this year.
About two hours later, Bush was gone.
Bush will then be taken by a motorcade procession to the George H.W. Bush Presidential Library in College Station, Texas, where he will be laid to rest.
Bush was a decorated World War II pilot, diplomat and onetime Central Intelligence Agency chief who saw his son George follow in his footsteps to the Oval Office - making them only the second father-son duo in American presidential history, after John and John Quincy Adams. That was followed by more than four decades in government, including as a congressman from Texas, ambassador to the United Nations, U.S. envoy to China, director of the C.I.A., and vice president to Ronald Reagan. He encouraged Americans to gather in places of worship "to pay homage" to Bush's memory, adding, "I invite the people of the world who share our grief to join us in this solemn observance".
"Who would have thought that I would be working with Bill Clinton of all people?" he joked in 2005.
Writing in The Washington Post on Saturday, Bill Clinton said those words showed a man with "natural humanity".