Laura Mostyn Owen (1787/8–1864)
Youngest sister of William Mostyn Owen Sr.
BMD (Death index)
Burke’s landed gentry 1952
Census returns of England and Wales 1861 (The National Archives: Public Record Office RG9/1867/6/6)
England & Wales, national probate calendar (index of wills and administrations), 1858–1966, 1973–95 (Ancestry.com, accessed 30 August 2017)