2f80e9e9_My_Blog___Lorelle_on_WordPress__Notes
[Feature] Sub-Domains [Required?] Maybe [Notes] 
Sub-domains are like websites within websites. This blog is actually a sub-domain of WordPress.com as lorelle.wordpress.com. You could have sub-domains for different family members such as smith.myfamilyhistoryblog.com or anderson.myfamilyhistoryblog.com. If you are running a huge genealogy site, then this is an option.
Genealogy Blog: Determining What Features I Want in My Blog « Lorelle on WordPress