I can't remember if FTM 2010 has the ability to sort by birth date in the index. I've attached a picture of my index to show where the sort command is, if it is available in 2010.
You are right, even in the 2012 version there isn't a secondary sort key.
Rosemary
You are right, even in the 2012 version there isn't a secondary sort key.
Rosemary