The Jacobites no longer exist

With due respect to Curtis Yarvin over the late 2000s, the Stuart claim on the English throne is the Norman claim: conditional on its loyalty to the Altar and on some credible ability to assume the Throne. For us said Altar, since Charles II's (probable) cryptoCatholicism and of course James II's overt Catholicism, is Saint Peter's. OnePeterFive ain't the best Catholic site at present but on this much, Charles Coulombe seems to know what he's on about.

In 1766, Pope Clement XIII recognised, on the death of James III, George III as King. There remained outside Britain a Jacobite Pretender; but, in 1807, that one up and died. The line can go through females among Stuarts same as for Saxe-Coburgs like Georgie over here. I mean, heck; Queen Anne was a Stuart, just an unlucky one (and Protestant). To this day, via various female Pretenders, the Stuarts may boast a male - in the House of Wittelsbach. Problem: this one is trying to marry another man. That blasphemes a Sacrament before the Altar therefore blasphemes the Altar itself.

Yorks also survive. Simon Michael Abney-Hastings Earl Loudoun is living an 'umble life downunder, and is a Catholic to boot. Coulombe isn't concerned with them.