Lion rampant, found on the crest of Sir David Mathew
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It’s time to stop chasing Sir David Mathew

ByTC Marti

Sir David Mathew of Llandaff and Radyr was a Welsh knight and served as a Knight of the Body and Standard Bearer to King Edward IV.

Let’s have a real talk—especially if your last name is Matthews, Mathews, or some variation of it. For decades now, people with our surname (yes, Marti is a pen name) have been crawling all over Ancestry.com, MyHeritage, and message boards, desperately trying to link themselves to Sir David Mathew, the 15th-century Welsh knight who carried the standard for King Edward IV. 

I get it. He was a badass, lived in Llandaff, held land in Radyr, was knighted, had a freaking lion on his coat of arms, and a bloodline that ended up in heraldic registries and peerage books.

So if you’re a Matthews or Mathews, and especially if you’re American, it’s easy to think: “That’s my guy. I must be from that line. I’ve got knight blood.”

Well… maybe. But odds are, you don’t.

The cold reality of the Matthews surname

Here’s what most people won’t tell you: Matthews is a patronymic surname. It just means “son of Matthew.” That means the name developed independently in dozens, maybe hundreds of places across England, Wales, and Scotland. It’s neither rare nor noble by default. It’s just common.

Your Matthews ancestor was probably a fisherman, a blacksmith, or a guy who grew barley and paid his tithes and never got within ten miles of a battlefield—let alone the king’s side.

You know what that makes him? Real, grounded, and human. And a hell of a lot more interesting than some half-fictional lineage pasted into a shaky Ancestry tree.

The problem with Sir David Mathew obsession

Let’s be blunt: Sir David Mathew is one of the only medieval Mathew(s) you can trace in the historical record. That’s why everyone clings to him like a life raft.

But unless you can trace a documented line from you to him through wills, land records, baptism registers, or Y-DNA, you’re just spinning a fantasy. And let’s be honest: You built that fantasy on pride, insecurity, and the human need to feel important in a world that doesn’t care who your ancestors were.

The copycat tree epidemic

This is where modern genealogy has gone off the rails. Some guy in 1998 slaps together a tree claiming he descends from Sir David. Then his cousin copies it. Then someone on Ancestry clicks “Accept Hint,” before five hundred other people repeat it. Suddenly, Sir David Mathew has more descendants than Charlemagne, and almost none of them can prove it.

Let me say this clearly: If your tree has no paper trail before 1600, you’re guessing, and if your link to Sir David is “found on a user-submitted tree,” it’s worthless. You’re not descended from Sir David Mathew just because you want to be.

But the myth feeds a real need

And that’s what makes this so powerful and dangerous.

People want roots. Especially Americans, who’ve been severed from their ancestral soil. We want to feel chosen, noble, and anchored to something.

Sir David offers that. He’s history you can Google, and legacy you can Photoshop onto a fake coat of arms and hang on your office wall. But chasing a fake lineage isn’t heritage. It’s cosplay with surnames.

What’s actually noble?

Here’s what’s noble:

  • Doing the hard work to trace your family back as far as the paper trail allows
  • Acknowledging the unknowns
  • Honoring the ancestors who didn’t have swords or titles, but still lived, worked, loved, bled, and are kind of the reason you’re here and reading this article. 
  • Using story, not ego, to connect to the past,

That’s what I’m doing in Cymraeg Tales, my dark fantasy series rooted, to an extent, in old Welsh myth, lost lineages, and buried history.

I included the names, not historical renditions of, Llandaff and Radyr in the story because Mathew’s legend echoes in the bones of that land. But I’m not pretending or claiming. I’m remembering and imagining.

Show me the money!

Spirit and Fire by TC MartiIf you’re a Matthews or a Mathews and you think you’re descended from Sir David, that’s fine. Just prove it. Do the work, trace the documents, and confirm the Y-DNA. Otherwise, accept that your roots are probably humbler, and maybe more meaningful, than a knight with a lion on his chest.

You don’t need a coat of arms to have a legacy; just truth, story, and the courage to face both. Plus, if you’re descended from a bunch of commoner no names, do something that will leave a legacy behind and stop living vicariously through someone else’s. 

Want to explore these themes more? Read Spirit and Fire, where noble blood means nothing, and forgotten names still shape the world, like my main character and social outcast, Malikki “Mali” LaSalle. Get Spirit and Fire Now, or subscribe here for more deep dives into myth, ancestry, and the stories we tell ourselves.

P.S.: If you’re serious about building your own creative income engine instead of relying on platforms and algorithms, below is the system I use behind the scenes to structure everything.

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