The Artificial Intelligence tools (like ChatGPT, Perplexity, Gemini, Meta, CoPilot and Claude) can provide much useful and nearly instant information about subjects in a concise format, especially when they have been pre-trained on a large volume of information about the subjects.
I wondered if the FREE AI tools could provide me with information about performing "descendancy" or "reverse genealogy" research.
1) I chose to use the responses from free ChatGPT4.
My first Prompt was: "You are a professional genealogist. What online tools can be used to perform reverse genealogy and/or descendancy research?"
The ChatGPT4 response was:
Reverse genealogy and descendancy research focus on identifying the descendants of a particular ancestor rather than tracing back through their ancestors. Below is a list of online tools and resources that are particularly useful for this type of research:
Genealogy Websites with Tree-Building and Record Collections
1. Ancestry.com
◦ Features: Public family trees, DNA matches, and vast collections of vital, census, probate, and military records.
◦ Tools: Ancestry Hints, ThruLines (for DNA users), and descendancy tree views.
◦ Strategy: Start with an ancestor, look for descendants in census records, and review public family trees.
2. FamilySearch.org (Free)
◦ Features: Shared family tree with integrated sources and descendancy research tools.
◦ Tools: "View Descendancy" option (from the ancestor profile) and collaborative family tree updates.
◦ Strategy: Search for descendants using sources like census, marriage, and probate records.
3. MyHeritage.com
◦ Features: Global records, family trees, and DNA tools for finding cousins and descendants.
◦ Tools: Smart Matches, Record Matches, and family tree building with historical records.
◦ Strategy: Leverage MyHeritage’s historical newspapers and obituaries to locate descendants.
4. Findmypast.com
◦ Features: UK and Ireland-focused records, including parish records, wills, and directories.
◦ Strategy: Ideal for researching descendants in the British Isles, particularly through probate and parish records.
5. Geni.com
◦ Features: Collaborative family tree with a focus on relationships and descendants.
◦ Tools: Descendancy views and connections to other researchers.
Specialized Record Databases
6. Census Records
◦ Websites: FamilySearch, Ancestry, MyHeritage, Findmypast, or National Archives.
◦ Strategy: Use successive census records to track family units over time and identify children, grandchildren, and household changes.
7. Obituaries and Newspaper Archives
◦ Websites:
▪ Newspapers.com (subscription)
▪ GenealogyBank.com
▪ Chronicling America (Free)
◦ Strategy: Search for obituaries to identify children, grandchildren, and extended family.
8. Find a Grave and BillionGraves
◦ Features: Burial records often include family links, descendants, and biographical information.
◦ Strategy: Follow linked family members and check for memorials with descendant information.
9. Probate and Wills Records
◦ Websites: Ancestry, FamilySearch, and state/county archives.
◦ Strategy: Probate records often list heirs, who can be used to track descendants.
DNA Testing and Analysis Platforms
10. AncestryDNA
◦ Features: ThruLines tool suggests descendants of shared ancestors through DNA matches.
◦ Strategy: Contact DNA matches who descend from your target ancestor.
11. 23andMe, MyHeritageDNA, and FamilyTreeDNA
◦ Features: Descendant connections through shared DNA and family tree integration.
◦ Strategy: Use shared matches and surname searches to identify descendants.
12. GEDmatch (Free and Paid Options)
◦ Features: Third-party DNA analysis tool that connects matches from multiple testing companies.
◦ Strategy: Identify clusters of descendants and analyze genetic links to target individuals.
Collaborative and Community Platforms
13. WikiTree.com (Free)
◦ Features: Collaborative one-world tree with a strong focus on sourcing and descendants.
◦ Tools: Descendancy and relationship views.
14. Facebook Genealogy Groups
◦ Examples: Regional, surname-specific, or descendancy-focused groups.
◦ Strategy: Engage with other researchers who may have information on your ancestor's descendants.
15. RootsWeb Mailing Lists and Forums (Now part of Ancestry)
◦ Strategy: Search archives of surname or location-specific lists for information on descendants.
Other Useful Tools
16. City Directories and Phone Books
◦ Websites: Ancestry, MyHeritage, or archive.org (digitized directories).
◦ Strategy: Track descendants in a specific location over time.
17. Historical Maps and Atlases
◦ Websites: Historic Map Works, USGenWeb, or David Rumsey Map Collection.
◦ Strategy: Locate descendants geographically and cross-reference with directories or census records.
18. Online Court and Land Records
◦ Websites: Local or state repositories, Bureau of Land Management (BLM) GLO records.
◦ Strategy: Land transfers and court cases often list heirs and descendants.
19. Obituary and Marriage Indexes
◦ Examples: U.S. Obituary Collection on Ancestry, or local newspaper archives.
◦ Strategy: Search for descendant details like spouses and children.
Advanced Strategies
• Cluster Research: Study collateral relatives and neighbors to locate extended family connections.
• Name Variants and Misspellings: Account for changing spellings and nicknames when searching descendants.
• Chronological Analysis: Build timelines for your ancestor's children and grandchildren to locate migration patterns.
By combining these tools and resources, you can systematically uncover descendants and build a thorough picture of your ancestor’s legacy.
2) My second prompt was: "What research process would you recommend to find all of the descendants of a historical couple - for instance, 3rd great-grandparents?"
The ChatGPT4 response was:
Finding all the descendants of a historical person, like your 3rd great-grandparents, requires a systematic approach that incorporates careful documentation, thorough analysis, and persistence. Here’s a step-by-step process:
Step 1: Start with What You Know
1. Identify the Ancestor Couple
Begin with the 3rd great-grandparents and gather all the information you already have, such as:
◦ Names
◦ Birth, marriage, and death dates/places
◦ Locations they lived
◦ Known children
2. Verify Existing Information
◦ Use sources like census records, vital records, and probate files to confirm the accuracy of their information and any known children.
◦ If this ancestor is already in a shared online family tree (e.g., Ancestry, FamilySearch, or WikiTree), review what’s been documented and cross-check with records.
Step 2: Build a Descendancy Tree
1. Identify All Known Children
◦ Document all the children of the couple, including birth and death dates, spouses, and locations.
◦ Use records like baptism/church registers, wills, and family Bibles for verification.
2. Expand to Grandchildren and Beyond
◦ For each child, locate their spouses, children, and grandchildren. Use a mix of census records, marriage records, death certificates, and obituaries to trace descendants through multiple generations.
◦ If children moved, identify migration patterns through land records, directories, or newspapers.
3. Use Online Tools to Build the Tree
◦ Platforms like FamilySearch or Ancestry allow for detailed descendancy trees.
◦ Focus on tracing each line (descendants of every child).
Step 3: Utilize Specific Record Sets to Identify Descendants
1. Census Records (1790–1950 for the U.S.)
• Track descendants through successive censuses, noting family members in the household.
• Look for children not previously identified or grandchildren living with grandparents.
2. Vital Records (Birth, Marriage, and Death)
• Birth Records: Identify children for each generation.
• Marriage Records: Confirm spouses and subsequent generations.
• Death Records: Look for obituaries, which often list children and grandchildren by name.
3. Probate and Wills
• Look for the ancestor’s probate records and those of their descendants.
• Wills often list heirs, including children and grandchildren.
4. Newspapers and Obituaries
• Search obituaries for descendants. Newspapers often include details of children, grandchildren, and great-grandchildren.
• Check Newspapers.com, Chronicling America, and local library archives.
5. Cemetery and Burial Records
• Use Find a Grave and BillionGraves to locate descendants buried in family plots or nearby.
• Review linked family members on memorial pages.
6. DNA Testing
• DNA tests (e.g., AncestryDNA, MyHeritageDNA) can help identify living descendants.
• Collaborate with DNA matches to uncover unknown lines.
7. Military Records
• Look for military service records for descendants, particularly draft registrations, pensions, and service files.
8. Land and Court Records
• Examine property deeds and court records for evidence of inheritance or family ties.
• Look for descendants named as heirs in land transactions.
Step 4: Broaden the Search
1. Search for Collateral Relatives
◦ Investigate siblings and cousins of your 3rd great-grandparents to locate extended family that may have remained in contact with your direct descendants.
2. Trace Migration Patterns
◦ Use passenger lists, naturalization records, and local histories to track descendants who moved to other states or countries.
3. Explore Historical Context
◦ Learn about local events (wars, epidemics, migrations) that may explain family movements or the loss of records.
Step 5: Collaborate and Leverage Shared Trees
1. Search Public Family Trees
◦ Use platforms like Ancestry, MyHeritage, Geni, and FamilySearch to find researchers who may have already documented some descendants.
◦ Contact tree owners and share findings to avoid duplication of efforts.
2. Join Genealogy Forums and Groups
◦ Post queries in relevant forums (e.g., RootsWeb, Facebook genealogy groups) to connect with distant cousins who may have additional information.
Step 6: Organize and Document Findings
1. Create a Descendancy Chart
◦ Use genealogy software (e.g., RootsMagic, Legacy Family Tree, or Family Tree Maker) to build a detailed chart of all descendants.
◦ Include source citations for every fact to ensure accuracy.
2. Document Alternate Names and Variants
◦ Record name spellings, nicknames, and changes (e.g., due to marriage or immigration).
3. Flag Brick Walls and Open Questions
◦ Note descendants who cannot yet be traced or identified and revisit these gaps periodically.
Step 7: Verify Living Descendants
1. Use Modern Tools for Living People
◦ Search online directories (e.g., WhitePages, Spokeo) or social media (e.g., Facebook, LinkedIn) to find living descendants.
◦ Use privacy-appropriate methods to contact and collaborate with them.
2. DNA Collaboration
◦ Engage with DNA matches to confirm relationships, validate findings, and discover new descendant branches.
Ongoing Maintenance
• Revisit descendant lines regularly to incorporate newly available records or DNA results.
• Keep track of sources and document any challenges encountered during research.
This process ensures a thorough and methodical uncovering of all descendants while preserving the integrity of your findings.
- https://www.theoccasionalgenealogist.com/2022/04/how-to-create-reverse-family-tree.html
- https://familytreemagazine.com/websites/15-essential-google-tools-genealogy/
- https://wasgs.org/eventListings.php?nm=76&page=1&nr=A&ec=A&tf=P
- https://www.reddit.com/r/Genealogy/comments/16aw0rv/what_sites_can_i_use_to_make_my_family_tree/
- https://familylocket.com/dna-and-descendancy-research/
- https://www.reddit.com/r/Genealogy/comments/hu7x9s/how_can_you_possibly_get_to_425837_people_in_your/
- https://lisalisson.com/free-genealogy-research-tools/
- https://www.familysearch.org/en/home/portal/
- https://www.sog.org.uk/education/learning-hub/guides-tips/20-brilliant-genealogy-tools-to-try-this-year/
- https://www.ngsgenealogy.org/free-resources/websites/
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