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Mostyn Baronetcies of North Wales

Privacy Level: Open (White)
Date: [unknown] [unknown]
Location: Walesmap
Surname/tag: Mostyn, Wales
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  • The Mostyn lineage originated from a place called Pengwern not far from Llangollen. Via a series of highly successful medieval marriage alliances to a number of heiresses this family gradually acquired five courts and their associated landed powerbases which were scattered throughout the counties of north Wales. Thus, Pengwern in Denbighshire was joined to Mostyn in Flintshire, Trecastell and Tregarnedd in Anglesey and Gloddaeth in Caernarfonshire. Thomas Mostyn (abt.1483-1558) was the first member of the family to inherit all five of the courts on the death of his father in 1540. The courts provided him and his successors with a large, distinctive and enduring landed interest across north Wales which provided the foundation for the family‚Äôs power and influence for centuries[1].
  • It was from his father Richard (Mostyn) ap Hywel ab Ieuan (abt.1457-1539) that the the two lines developed, one through his elder son Thomas, and the other through his younger one Piers Mostyn MP (bef.1500-1580).
  • The Baronetcy Mostyn of Mostyn, became extinct when the 6th Baronet died unmarried, however the queen bestowed a new Baronetcy on the 6th Baronet's brother-in-law, the husband of the 6th baronet's sister, Elizabeth Mostyn (-1842).

Richard (Mostyn) ap Hywel ab Ieuan (abt.1457-1539)
Piers Mostyn MP (bef.1500-1580) Thomas Mostyn (abt.1483-1558)
William Mostyn (abt.1550-1605) William Mostyn (abt.1518-1576)
Edward Mostyn (abt.1569-aft.1632) Thomas Mostyn (abt.1535-1617)
John Mostyn (1605-1634) Roger Mostyn (abt.1566-1642)
The Barons Mostyn of Talacre Thomas Mostyn (1596-1641)
Edward Mostyn 1st Bt (abt.1628-1706) The Barons Mostyn of Mostyn
Pyers Mostyn 2nd Bt. (1658-1720) Roger Mostyn 1st Bt (abt.1620-1690)
Pyers Mostyn Bt. (1682-1735) Thomas Mostyn Bt. (abt.1651-abt.1700)
George Mostyn Bt. (abt.1690-1746) Roger Mostyn Bt. (1673-1739)
Edward Mostyn Bt (1725-1775) Thomas Mostyn Bt. (1705-1758)
Pyers Mostyn Bt (1749-1823) Roger Mostyn (-1796)
Edward Mostyn Bt. (1785-1841) Thomas Mostyn (-1831)
Pyers Mostyn Bt. (1811-1882) Above Baronetcy extinct
New Barony created

Edward Pryce Lloyd (1768-1854)
Pyers William Mostyn (1846-1912) Edward Lloyd-Mostyn (1795-1884)
Pyers Charles Mostyn Bt. (1895-1917) Llewelyn Nevill Vaughan Lloyd-Mostyn (1856-1929)

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Categories: Mostyn Name Study