Complex sentence: General Lawrence Taliaferro Dade of "Bell Forest," (1785 in Orange County, Virginia--March 25,1842 in Owensboro, Kentucky), who married Anne Mayo on May 4,1815 in Henrico Virginia.
Split into simpler sentences: General Lawrence Taliaferro Dade of "Bell Forest," was born in Orange County, Virginia in 1785. He married Anne Mayo on May 4,1815 in Henrico Virginia.