How old are libby riddles children?

Libby Riddles's date of birth was 1956. That makes her 55 years old.

you can never be to old to have children. but if you are older than 40 your children will be demented

Doctors say that at age 32, a woman's fertility decreases rapidly and at age 35 and up, the pregnancy is considered "high risk". I was born when my mother was 38 and although there were no...

How old was who? please be more specific.

i would say 40 is the max,i would say 40 is the max,i would say 45 is the max, When nature doesn't allow it anymore, that can be different for everyone.