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A open notebook with The Prophecy of the Twins typed on one side and the Nancy C. Walker Consulting logo on the other. A typewriter is on the left.

The 13 August Twins: A Mystery from Placerville to Spokane

Posted on April 6, 2026April 6, 2026 by Nancy C. Walker

My father was both a fraternal twin and an only child. On 13 August 1945, my grandparents, William Stone Clinkinbeard (1922-1984) and Nancy Jane Eyrich (1924-1993) gave birth to a set of twins in Spokane, WA. Robert Martin (1945-2023) and Richard Weston Clinkinbeard (1945-2024)

Robert and Richard

This wouldn’t be noteworthy, except that Nancy had a rheumatic heart. Doctors told her she wouldn’t survive the birth of a single child, let alone two. Her condition left her unable to care for the two boys. Nancy’s parents, Frederick Martin Jakob Eyrich (1898-1963) and Fleta Lucille Craven (1899-1960) adopted one child, Robert, when he was 18 months old. During the adoption process, Robert Martin took his grandparents’ surname of Eyrich. 

Thus Robert Martin Eyrich and Richard Weston Clinkinbeard are both twin brothers and uncle/nephew. What’s even more remarkable is that this isn’t the first time something like this has happened in this family line.  

History Repeats

1900 Santa Clara, CA census showing John Burgress living next door to his twin sister Sarah Whitehead/Clinkinbeard
1900 Santa Clara, CA census showing John Burgress living next door to his twin sister Sarah Whitehead/Clinkinbeard. Source: Family Search

To understand how history repeats itself, we have to go back 89 years. Robert and Richard’s great-grandparents are Kinzea Stone Clinkinbeard (1842-1895) and Sarah Ellen Whitehead (1856-1933). Sarah Ellen Whitehead and her brother John Henry Whitehead (1856-1914) are also fraternal twins. They were born on ‌13 August 1856 in Placerville, CA, 89 years to the day before Richard and Robert. But that’s not the most interesting part. 

Sarah Ellen and John Henry’s parents are Timothy Whitehead (1816-1878) and Mary Ann Coatney/Courtney (1830-??). Timothy died in 1878, when Sarah Ellen and John Henry were 22 years old. After Timothy’s death, Mary Ann married Alfred Burgess (1821-1890). At some point, John Henry changed his surname to Burgess, while Sarah Ellen did not. 

Just like Robert and Richard, John Henry and Sarah Ellen are fraternal twins with different surnames. 

The 13 August Twins Prophecy

In one family line there are two sets of twins, Richard/Robert and John Henry/Sarah Ellen, born on the same day, 13 August 1945/1856, respectively. In both cases, one twin’s surname was changed. Robert’s reflects his adoption by his maternal grandparents, John Henry’s to that of his step-father. 

If this trend continues, ‌another set of fraternal twins will be born on 13 August 2034, and something will cause them to have different surnames.  

For more stories about genealogy, check out the genealogy section of my blog.

Category: Genealogy

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I am an MFA-educated author and story coach who thrives on the technical puzzle of narrative structure. My goal is to help writers move past the drafting phase by using practical tools like plotting structures and plot grids to troubleshoot plot issues and refine story arcs. Now a dedicated writing coach, I share my passion for all things creative through my books, live streams, and 1-on-1 sessions, helping writers bring their own stories to life.

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Line drawing of a turtle balanced on a stack of books. Dark red and gray paint swipes form a circle around the image. Under the image are the words Nancy C Walker, Writing, Language, Literacy in dark red.
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