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In page Elizabeth Wriothesley, Countess of Southampton:

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Her paternal great-grandfather, Humphrey Vernon, was the grandson of John Talbot, 2nd Earl of Shrewsbury and his wife, Lady Elizabeth Butler, the daughter of James Butler, 4th Earl of Ormond. Humphrey's wife, Alice Ludlow, was the great-great-great-granddaughter of Henry IV of England through his son Humphrey, Duke of Gloucester.[citation needed]