DNA testing is the only way to back up your traditional research and locate New Hidden or Lost branches of your family tree - if you are a Male please test your YDNA at FTDNA and locate your hidden ancestors. There is a discount via the BROOKS Surname DNA Project
See also: Leeming DNA Project; Lockwood DNA Project; Nidderdale DNA Project.
Age-related calculations are based on individuals with recorded birth and death dates. Due to the existence of incomplete date fields(e.g., a death date listed only as "1945" or "BEF 1860"), these calculations cannot be 100% accurate.