In Intermission, Chapter 4, what did the narrator remember about her father's funeral?

The narrator remembered that the last time she had seen her mother was at her father's funeral. She sat next to her father's children, and they acted as they had the only other time she had seen them. The girl had cried and the boy had sat with his arms folded across his chest. The narrator remembered that people kept asking about Aimee, who was there in disguise.