Hi my name is Mark Adams and My fathers name is Mark Adams. This my not be much coming from a 12 year old but my family split in aboout the time you are requesting. It was when someone in my familly got married to someone else who the other side didn't like so they split to different sides of the contry. If you have any serious questions send them to firstname.lastname@example.org and I'll get them to either my great-grandma oller or my gandpa William J. Adams. Hope this helps you.