Vice President Mike Pence said Tuesday that Barbara Bush, who died at age 92, was "a woman of unique strength and grace whose devotion to her family was an inspiration to every American."
"Karen and I send our deepest sympathies to President Bush and the entire Bush family with the passing of Barbara Bush," Pence and his wife said on Twitter.
"Barbara Bush was a woman of unique strength and grace whose devotion to her family was an inspiration to every American.
"Mrs. Bush's example in public life and her encouragement made a lasting impact on our family, as it did on the families of millions of Americans, and she will be missed," the Pences said.
"We offer our deepest condolences to the entire Bush family during this difficult time — and we will be praying for all who mourn the passing of this good and great woman.
"God bless Barbara Bush."
Karen Pence also tweeted she first met Bush in 1988 and "her sage advice and words of encouragement touched my life in a profound way."
"Since becoming second lady, she has become a trusted friend," Pence said. "I will miss her."