Shane Mcbrian O'Neill

This profile is not "The" Shane O'Neill.

Information on "The" Shane O'Neill at: Séan O'Neill, the Proud, an Díomais

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You can *sleep with* your half-sister - it happened occasionally - but you cannot *marry* her. Not even if you're a Habsburg King of Spain. While some Popes agreed to marriages as close as uncle-niece (at least twice among said Habsburgs), brother-sister was still Right Out.