Barbara Bush’s funeral arrangements are set for this weekend in Houston.

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A public viewing for the former first lady was held on Friday, where approximately 2,500 mourners paid their respects.

The private funeral service for Bush is set for Saturday at St. Martin's Episcopal Church in Houston. Attendance at the service is by invitation only. The Rector of St. Martin's will preside over the service along with the chaplain of St. Ann's Episcopal from Kennebunkport, Maine.

Related: Former first lady Barbara Bush dead at 92

President Donald Trump has ordered flags at the White House and on public and federal property around the United States flown at half staff this weekend in honor of Barbara Bush.

She’ll be laid to rest at the Bush Library in College Station, Texas, next to her daughter, Robin, who died at the age of 4, according to an interview the Bushes did with CNN’s Larry King in 2004.

The Associated Press contributed to this report.