Dorota Lubomirska (1787-1854), daughter of Jan Kazimierz Stecki, grand ensign of the Crown, and Teodora Walewska. In 1806, she married Józef Lubomirski, prince, secret councillor and senator. From this marriage their son Marceli Lubomirski was born.

She was known for her kindness, piety and charitable activities. She was described by her contemporaries as 'angelic sweetness', 'noble and noble', and 'known for her charity'.

She died on 23 May 1854 in Paris, at her home at 10 Place de la Madeleine, at the age of 67. Her death was reported by Joseph Maximilian Lubomirski and Joseph Henri Poncey.

Her funeral took place on 26 May 1854 at the Church de la Madeleine in Paris. She was initially buried in the Dubé crypt (temporary tomb). On 14 June 1854, an announcement in the press invited people to a memorial service for her soul, which was to be held on 2 June 1854 at the Church of the Assumption of Our Lady (Eglise de l'Assomption) in Paris.

On 14 June 1854, the transfer of her body to a permanent tomb in division 26 of the Père-Lachaise cemetery was carried out. The Duchess's body was finally transferred to a tomb in division 22 of the Père-Lachaise cemetery, where she was buried on 9 February 1859.

Sources:

• Burial books: general no. 122417, annual no. 4373, death certificate at the merostère 1297, burial 1 (Dubé crypt, 26 May 1854), burial 2 (14 June 1854, Caveau 26).
• French hourglass: "Le Prince Joseph Lubomirski, Le Prince et la Princesse Marcellin Lubomirski et leur fils, [...] ont l'honneur de vous faire part de la perte douloureuse qu'ils viennent d' éprouver dans la personne de Madame Dorothée Princesse Lubomirska née Comtesse Stecka, [....] a décédée munie des Sacrements de l'Eglise, le 23 Mai 1854, à l'âge de 67 ans, en son domicile Place de la Madeleine № 10".
• Notice: "On 14 June this year at 10 o'clock in the morning a memorial service will be held at the Fathers of the Re-formation for the soul of the late His Royal Highness Princess Dorothy Lubomierska [!] who died in Paris on 23 May this year, to which her brother His Royal Highness Prince Stanislaw Jabłonowski invites his relatives, friends, acquaintances and the pious public. Kraków 1854".
• KW no. 140, 18/30 V 1854, p. 744: "Sad news from Paris has reached her Family, Relatives and Friends. On the 23rd of this month, after a long and severe illness, the late JO. Dorota née Steckie, Duchess Lubomirska, Spouse of the Hon. Duke Józef Lubomirski, Privy Councillor and Senator; Lady of virtues and virtues of the heart. This sonship shed more than one tear, and the memory of the deceased will long be preserved in the hearts of others'.
• Raciborski Adam, 'Discours prononcé sur la tombe de la Princesse Dorothée Lubomirska le 26 mai 1854 au cimetière du Père-Lachaise', Paris, imp. De Corzon, 8°, 4 p.
• J.A. Potrykowski, 'Tułactwo Polaków we Francji, Journal of an Emigrant', vol. 2 pp. 71-72: "On 23 May [1854], this old duchess was supposed to have done a lot of good for the emigration and for all the poor in general, but since her gifts went either to the coffers of the aristocracy or to the Jesuits, Polish emigration could profit little from it except for the emigrant beggar class".

• Józef Lubomirski, „Historia pewnej ruiny. Pamiętniki 1839-1870”, wstęp i komentarz Juliusz W. Gomulicki, Warszawa 1975.
• J.A. Potrykowski, „Tułactwo Polaków we Francji, Dziennik emigranta”, t. 2 s. 71-72.