It's been an open secret - but this is the first time it's been said on the record.
The comments came in response to a question about whether the Bushes were at the ranch this weekend making final preparations for their daughter's May 10 wedding to Henry Hager.
During the day, the president was busy clearing brush on the ranch as usual.
"Maybe the brush clearing has something to do with those (wedding) plans - but certainly that's something that's top of mind for the family," Stanzel said.
Stanzel could not say if daughter Jenna, 26, was at the ranch this weekend.
She certainly did not fly there on Air Force One. Neither did the family pooches Barney or Ms. Beazley, who usually accompany the Bushes to the ranch.
The couple became engaged on Aug. 15, 2007. They have been dating for several years, and are often seen together at Bush family functions and formal events.
Hager, 29, is the son of John H. Hager, chairman of Virginia's GOP. He is expecting to receive his MBA from the University of Virginia this spring. The Los Angeles Times reported Thursday that Hager purchased a 128-year-old rowhouse in Baltimore recently.