If you wish to gain a finer designation of family members, beyond what can be inferred from age alone, we now offer a field that we’re calling Role within Family. Typical values would be Parent, Minor child, Adult child, and perhaps others such as Elderly parent.
You may then use these fields within the queries and reports–for example, to find all the minor children not enrolled in religious school.
Below is a 3 1/2 minute video illustrating the feature.