In that case, the report generator still reports that one of them is the "Oldest" and the other one is the "youngest". This is a mistake!!
I think that if there is no information about the year of birth of the entire siblings, and the "Children Order" feature on Genopro, has not been changed manually, this information should not be included in the report, because it is based on a random order that we add those children to the Genogram, and not based on facts.