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 ObamaMichelle Obama’s book tour to include stadium events Michelle Obama teams up with BET to urge women of color to vote Healthy food has gone high end, but is the lifestyle trend worth the cost? MORE and Hillary ClintonHillary Diane Rodham ClintonTrump to declassify controversial text messages, documents related to Russia probe Hypocrisy in Kavanaugh case enough to set off alarms in DC Clinton: Hard to ignore 'racial subtext of virtually everything Trump says' 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 TrumpOver 100 lawmakers consistently voted against chemical safeguards: study CNN's Anderson Cooper unloads on Trump Jr. for spreading 'idiotic' conspiracy theories about him Cohn: Jamie Dimon would be 'phenomenal' president 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 TrumpThe Hill's 12:30 Report — East coast braces for Florence | Trump, Pence mark 9/11 anniversary Trump praises 'brave patriots' of Flight 93 during 9/11 anniversary ceremony Flight 93 passengers represent all of us, says victim's brother 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 CarterOvernight Health Care: Obama calls 'Medicare for all' a 'good' idea | Study finds modest ObamaCare premiums hikes for next year | Trump officials consider South Carolina plan to defund Planned Parenthood Overnight Health Care: Kavanaugh questioned if Roe v. Wade was 'settled law' in leaked email | Senate to vote next week on opioid package | Officials seek to jail migrant children indefinitely | HHS chief, lawmakers meet over drug prices Live coverage: Social media execs face grilling on Capitol Hill MORE, the first lady’s office said.

Barbara Bush died Tuesday night at age 92.