Yes, she was already very old, this is acknowledged in the report that it can be a factor to the mistakes. It's not about a single mistake though but a combinat

Yes, she was already very old, this is acknowledged in the report that it can be a factor to the mistakes. It's not about a single mistake though but a combination of them, that are all consistent with the identity switch and not consistent with the single identity. For this particular item, it's not conflating two maids, she was asked who accompanied her to school and volunteered a name that Yvonne went to school with.