Anne didn't even tell Lizeth about who supported her back then after Isabella's sudden death, and this became another crucial plot point in the novel.
The prime minister revealed the truth, and Lizeth's belief was shaken.
But this is quite a long story and let's focus on the talent scouting event instead.
After the auction event had finished, Mariella gathered all people who hadn't checked their talents by comparing their data from the secretary's secret document.
Those who hadn't checked their talents and were older than five years old could join the talent scouting event, but they could also choose not to join.
"Please line up according to your family title and then your age. Start from the one with the highest title and then the youngest."
And so, the noble children lined up according to their family's title from a duke to a baron.