That was probably not the one.

"No," she says quietly. "There was--not. A House nursery."

"When Gideon was very small--before I was born--there was a tragedy that struck the Ninth House creche. Gideon was the only survivor of our generation."

"I was raised by my parents; she was a foundling, and was raised, largely, by our Captain of the Guard. But we did see much of each other." Mostly for beating each other up!