-To establish or disprove male line connections between families that share the uncommon surname of Cienfuegos or a variant form of this surname. -To research the various families with the surname and find out their distinct histories. -To research the surname to the fullest extent possible. -To contact as many people as possible with the surname, to encourage them to support the project in any way that they can. For Cienfuegos men, participating in DNA testing is a very important way to help the project, but there are other ways that Cienfuegos men and their families can help with the project. One very important way to help is to share family history information.