| | | | | | | | William Jephson granted manor of Froyle 1534 |
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| | | | | | | | William Jephson High Sheriff of Hampshire 1551 |
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| | | | Sir William Jephson (died 1615) MP for Hampshire | | Maj-Gen Sir John Jephson (died 1638) MP for Hampshire and Petersfield | | Elizabeth heiress of Sir Thomas Norreys of Mallow Castle |
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| | | | Maj-Gen William Jephson (1609–1658) MP for Stockbridge and Envoy to Sweden; sold Froyle estate in 1653 | | Colonel Norreys Jephson | | Maj-Gen John Jephson |
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Colonel John Jephson (died 1693) MP for Mallow | | William Jephson (died 1691) MP for East Grinstead and Chipping Wycombe | | Anthony Jephson (died 1721) | | William Jephson (died 1720) Dean of Kilmore |
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William Jephson (died 1698) MP for Mallow | | William Jephson (died 1716) MP for Mallow | | Anthony Jephson (died 1755) MP for Mallow | | John Jephson (died 1742) Archdeacon of Cloyne |
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| | | | Denham Jephson (died 1781) MP for Mallow | | William Jephson (died 1779) MP for Mallow | | William Norreys Jephson (1734–1791) Archdeacon of Cork | | Robert Jephson (1736–1803) MP for St Johnstown, Old Leighlin and Granard |
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Denham Jephson (died 1813) MP for Mallow | | Anthony Jephson (died 1794) MP for Mallow | | Lt-Col William Jephson (died 1816) | | John Jephson (1764–1826) Rector of Mullaghbrack | | Sir Richard Mounteney Jephson, 1st Bt (1765–1824) Judge of the Admiralty |
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| | | | | | | | Sir Charles Denham Orlando Jephson-Norreys, 1st Bt (1799–1888) MP for Mallow | | John Mounteney Jephson (1819–1865) Vicar of Childerditch | | Sir Richard Mounteney Jephson, 2nd Bt (died 1870) | | Sir James Saumarez Jephson, 3rd Bt (1802–1884) | | Maj-Gen Sir Stanhope William Jephson, 4th Bt (1810–1900) |
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| | | | | | | | Catherine Louisa Jephson (died 1911) heiress of Mallow Castle; married James MacEwan, Dean of Ardfert | | Jermy Frederick Jephson (1850–1903) | | John Pascoe Jermy Jephson (1855–1923) | | Arthur Jermy Mounteney Jephson (1858–1908) |
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| | | | | | | | | | | | Brigadier Maurice Denham Jephson[2] (1890–1968) inherited Mallow Castle 1938 | | John Mounteney Norreys (1888–1971) | | Arthur Desmond Mounteney Jephson-Norreys (1905–1938) inherited Mallow Castle 1911 |
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| | | | | | | | | | | | | | | | Lt-Cdr Maurice Christian Mounteney Jephson (1919–1989) inherited Mallow Castle 1968; sold it in 1984 |