Here are three useful tools that I use a lot. I hope that it will help you out as well. Deb <A HREF="http://www.bakery.co.uk/datecalc.html">Date Calculator - An aid for Family Historians</A> http://www.bakery.co.uk/datecalc.html <A HREF="http://www.islandnet.com/~vgs/tools/birthdate.html">VGS Birthdate Calculator</A> http://www.islandnet.com/~vgs/tools/birthdate.html <A HREF="http://www.grl.com/grl/relationship.shtml">Relationship Chart</A> http://www.grl.com/grl/relationship.shtml