The Schneider family still hadn't announced their three children and heirs, so none of the party guests knew who Aleksis really was, well, apart from the host's family and Wolf Pack members who were present.
Now Aleksis' presence and her two children began to invite questions about her identity. She looked very young, and her children were still small.
Considering that there was no marriage announced among the Alchemists other than Endo and Billie Yves', for the past 10 years, they suspected that the girl was only an ordinary human taken in by Lauriel. Maybe Lauriel felt sorry for her because of her unfortunate life. After all, it was not easy being a single mother of two small children.
The girls' hostile gaze now turned condescending because they thought of Aleksis as unequal to them who were pure Alchemists. They didn't need the immortality potion to be able to marry the heir of the Medici family. But the girl in front of them... Sheesh.