There are big “what-ifs” in history… and then there are the ones that quietly change everything.

In this episode, we ask: What if Margaret Tudor had no surviving children with James IV?

When James IV was killed at Flodden in 1513, Scotland did not just lose a king - it faced political instability, factional rivalry, and the urgent question of succession. But what if there had been no infant James V? No Tudor heir to carry the Stewart line forward?

Who were the potential heirs to the Scottish throne at that moment? We look at the rival branches of the Stewart family, the strength of dynastic claims, and how Scotland might have chosen - or fought for - its next ruler.

We also explore Margaret’s controversial second marriage to Archibald Douglas, which produced Margaret Douglas - a figure who would later play her own crucial role in the English succession. How would her position have shifted if there had been no surviving royal son from Margaret’s first marriage?

And then there’s England.

If Margaret’s line through James IV had failed, there would have been no Mary, Queen of Scots. No Stuart claim looming during Elizabeth I’s reign. No James VI poised to inherit England in 1603.

So who would have succeeded Elizabeth? A Grey? A distant Plantagenet descendant? A foreign claimant? Would the Union of the Crowns ever have happened at all?

This episode explores the fragile thread of dynastic survival — and how the absence of just one child could have reshaped Scotland, England, and the future of Britain itself.

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Hosted by: Rebecca Larson & Amy McElroy