Transcribed by Michael Sadleir verbatim from the copy in Somerset House.
This is the last will and testament of me, Charles John, Earl of Blessington, of that part of the United Kingdom called Ireland. I give to Luke Norman, Esquire, for and during the time he shall continue agent of my estates, in the county and city of Dublin, and in the county of Tyrone, twelve hundred pounds per annum, in lieu of receivor's fees. I appoint Alfred d'Orsay, Court [sic] of (---), in France, Luke Norman, Esquire, and Alexander Worthington, Esquire, my executors; and I give unto each of them one thousand pounds. I give to Isabella Binny, Michael McDonough, and John Bullock, one hundred pounds each. I give and devise my real and personal estates to said Alfred d'Orsay, Luke Norman, and Alexander Worthington, for the following purposes. First for the payment of two thousand pounds, (British) per annum, inclusive of the one thousand pounds settled on her at the time of my marriage), to my wife, Margaritte, or Margaret, Countess of Blessington; and I give to her all her own jewels, requesting that she may divide my late wife's jewels between my two daughters at the time of her decease. I give to Robert Power and Mary Ann Power one thousand pounds each. I give to my daughter, Harriet Anne Jane Frances, commonly called Lady Harriet, born at my house at Seymour Place, London on or about the 3rd day of August, 1812, all my estates in the county and city of Dublin, subject to the following charges, provided she intermarries with my friend, and intended son-in-law Alfred d'Orsay. If the said Harriet Ann do not marry the said Alfred d'Orsay I bequeath her the sum of ten thousand pounds only. I give to my daughter, Emily Rosalie Hamilton, generally called Lady Mary Gardiner, born in Manchester Square, on the 24th June, 1811, whom I now acknowledge and adopt as my daughter, the sum of twenty thousand pounds. In case the said Alfred d'Orsay intermarries with the said Emily, otherwise mary Gardiner, I bequeath to her my estates in the county and City of Dublin. The annuity of two thousand pounds per annum British to be paid to my beloved wife out of the said estates. I give to my son, Charles John, who I [desire] may take the name of Stuart Gardiner, born in Portman Square on the 3rd day of February, 1810, all my estates in the county of Tyrone, subject to the following charges: also the reversion of my Dublin estates in case of failure of male issue of said daughters. In case of male issue lawfully begotten, I leave these estates to the second son of Alfred d'Orsay and my daughter; or if only one son to him; in case of failure of male issue, to go to the male issue of my other daughter. My estates are to be subject, in the first instance to the payment of my debts. I give to my wife the lease of my house in London, at the expiration of which the furniture, books, etc., etc., are to be removed to the intended residence at Mountjoy Forest; and I direct that the said hosue be built according to the plan now laid down, and do empower my said executors to borrow money for the said purpose. I give to my wife all my carriages, paraphernalia and plate. I give to my son, Charles John, my plate, wardrobe, [swords], etc., etc., etc. I appoint Alfred d'Orsay guardian of my son Charles John, until he arrive at the age of twenty-five years, the settlement of twelve thousand pounds to be null and void on his obtaining the Tyrone estates. I appoint my beloved wife guardian of my daughter Harriet Anne; and I appoint my sister Harriet, guardian of my daughter, commonly called Lady Mary. I give to Isabella McDougal, of Perth, one hundred pounds per annum for her life, it being bequeathed her by my first wife Mary Campbell, Viscountess Mountjoy. I give to the National Gallery, intended to be formed in London under royal protection, my picture of the "Three Graces" by Sir Joshua Reynolds, with a desire that "the gift of Charles John E[arl] of B[lessington]," may be affixed to the said picture, as an encouragement to others to contribute to the said collection. I give to my sister, Harriet Gardiner, five hundred [pounds] per annum for her natural life. I revoke all other wills, by me made, and declare this to be my last will and testament; In witness whereof, I have to this my last will, contained in five sheets of paper, set to the first four my hand, and to this, the fifth and last, my hand and seal, this 31st day of August, 1823. Blessinton [seal] The witnesses included C.J. Mathews.