More on earls of March from Fact Monster:

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• Mortimer, Roger de, 4th earl of March and 2d earl of Ulster - Mortimer, Roger de, 4th earl of March and 2d earl of Ulster Mortimer, Roger de, 4th earl of March ...
• Mortimer, Edmund de, 5th earl of March and 3d earl of Ulster - Mortimer, Edmund de, 5th earl of March and 3d earl of Ulster Mortimer, Edmund de, 5th earl of March ...
• Mortimer, Roger de, 1st earl of March - Mortimer, Roger de, 1st earl of March Mortimer, Roger de, 1st earl of March, 1287?–1330, ...
• Clarence, Lionel, duke of - Clarence, Lionel, duke of Clarence, Lionel, duke of, 1338–68, third son of Edward III of ...

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