S06 E09: Genetic Genealogy | Documenting Extinct mtDNA & YDNA Lines and Pedigree Collapse

Extinct mtDNA & YDNA lines: At some point in your genealogy research, you will find a family line that died out. Or a male YDNA line or female mtDNA line became extinct. Or instances of pedigree collapse. Should genealogists note instances like these in our family trees? If so – how should this be noted?

Video link: https://youtu.be/fjF2pcdEsj0

Brian and Donya talked about Y-DNA, mtDNA, and surname lineage extinction and pedigree collapse – and how we can note and memorialize these family lines.


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Whether you’re new to genealogy, don’t have the time to pursue your own research, or have a stubborn brick wall you just can’t break through: you can hire one of our experienced research team who will happily work with you to achieve your genealogy research goals. As the first Black-owned genealogy research company, our African American genealogists excel at African American genealogy! As African Americans with caucasian ancestors – our genealogists are just as experienced in researching European-descended American ancestry.

The short video below covers what we do and how we do it:

How to contact us

For more information about our genealogy research services, our contact form, and our research service contact, please visit: https://genealogyadventures.net/research


We are available for your genealogy research project!

Whether you’re new to genealogy, don’t have the time to pursue your own research, or have a stubborn brick wall you just can’t break through: you can hire one of our experienced research team who will happily work with you to achieve your genealogy research goals. As the first Black-owned genealogy research company, our African American genealogists excel at African American genealogy! As African Americans with caucasian ancestors – our genealogists are just as experienced in researching European-descended American ancestry.

The short video below covers what we do and how we do it:

How to contact us

For more information about our genealogy research services, our contact form, and our research service contact, please visit: https://genealogyadventures.net/research

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