Have a long lineage of kings you need to flesh out, or perhaps a character with a big family and you need to figure out how big? This tool may be able to help. If you have a patriarch/matriarch in mind, just put in as much information you have and click on "generate". The program will fill in the rest of their biographic information and determine their offspring using pre-modern actuarial information. (At least the best I could find.) The tool includes a (very) crude name generator and will randomly generate a
Myers-Briggs Type Indicator to help give some feel of what these people might be like. (In the case of royal dynasties this may help describe the nature of their rule.)