Several past residents of the White House came together to honor former first lady Barbara Bush on Saturday, and gathered for a photo shared by the office of former President George H.W. Bush on Sunday.

Former Presidents Obama and Clinton attended the service in Houston with former first ladies Michelle ObamaMichelle LeVaughn Robinson ObamaFormer Michelle Obama aide calls for 'honest conversation' about immigration Biden jokes he's ready for a pushup competition with Trump Michelle Obama calls on teachers to help students register to vote MORE and Hillary ClintonHillary Diane Rodham ClintonTrump thanks 'vicious young Socialist Congresswomen' for his poll numbers Will Trump's racist tweets backfire? Democrats fret over Trump cash machine MORE. They joined members of the Bush family, including former Presidents George H.W. and George W. Bush and former first lady Laura Bush.

Noticeably absent from the group was President TrumpDonald John TrumpPompeo changes staff for Russia meeting after concerns raised about top negotiator's ties: report House unravels with rise of 'Les Enfants Terrible' Ben Carson: Trump is not a racist and his comments were not racist MORE, who said Saturday that he would watch the funeral services from his Mar-a-Lago resort in Palm Beach, Fla.

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It’s not uncommon for sitting presidents not to attend the funerals of former first ladies.

The White House said the president would skip the funeral "to avoid disruptions due to added security, and out of respect for the Bush Family and friends attending the service."

Melania TrumpMelania TrumpCruz in 2016 said 'something fundamentally wrong' with Christians who back Trump: book Designer defends Melania Trump statue: 'People may laugh but the context still resonates' Melania Trump heading to West Virginia to discuss opioid epidemic MORE brought two White House staff members who were close to the Bush family as her guests to the funeral.

Trump was accompanied by former White House head maitre d' George Hainey and current White House usher Buddy CarterEarl (Buddy) Leroy CarterCongress needs to continue fighting the opioid epidemic Thirty-four GOP members buck Trump on disaster bill Federal board votes to rename Georgia's 'Runaway Negro Creek' to 'Freedom Creek' MORE, the first lady’s office said.

Barbara Bush died Tuesday night at age 92.