Gabriel married firstly
Princess Malgorzata Izabella Czartoryska, daughter of
Prince Adam Ludwik Czartoryski and
Countess Maria Ludwika Krasińska, on 25 August 1927 in
Paris. The couple had one child before Malgorzata died in Cannes on 8 March 1929: • Prince Antoine of Bourbon-Two Sicilies (20 January 1929 in Cannes – 11 November 2019) : married Duchess Elisabeth
of Württemberg (2 February 1933 in
Stuttgart – 29 January 2022) on 18 July 1958 in
Altshausen, and had issue: ::*Prince Franz of Bourbon-Two Sicilies (born 20 June 1960 in
Ravensburg) :::married Countess Alexandra of
Schönborn-Wiesentheid (2 June 1967 in
Zurich) on 2 June 2000 in
Geneva, and had issue: ::::*Prince Antoine of Bourbon-Two Sicilies (born 6 June 2003 in Geneva) ::::*Princess Dorothée of Bourbon-Two Sicilies (born 10 May 2005 in Zurich) ::*Princess Maria Carolina of Bourbon-Two Sicilies (born 18 July 1962 in
Friedrichshafen) :::married Andreas Baumbach (born 30 April 1963 in
Tübingen), on 6 May 1988 in Tübingen ::*Prince Gennaro of Bourbon-Two Sicilies (born 27 January 1966 in Ravensburg) ::*Princess Maria Annunziata of Bourbon-Two Sicilies (born 18 February 1973 in Friedrichshafen) :::∞ Count Carl Fredrik Creutz (born 11 November 1971), on 2 August 2003 in
Helsinki, and had issue. Gabriel married, secondly,
Princess Cecylia Lubomirska, daughter of Prince Kasimierz
Lubomirski and Countess Maria Theresia Granow-Wodicka, on 15 September 1932 in
Kraków. They had four children: • Prince Jean of Bourbon-Two Sicilies (30 June 1933 in
Warsaw – 25 December 2000 in Madrid) • Princess Maria Margarita of Bourbon-Two Sicilies (16 November 1934 in Warsaw – 15 January 2014 in Madrid) :married Luis Gonzaga Maldonado y Gordon (17 November 1932 in Madrid – 11 June 1962 in
Jerez de la Frontera) • Princess Marie Immaculata of Bourbon-Two Sicilies (25 June 1937 in Warsaw – 14 May 2020 in
Mallorca) :married Miguel García de Saéz y Tellecea (6 September 1921 – 12 March 1982), on 29 June 1970 in
Sant Josep de sa Talaia; divorced in 1979 • Prince Casimir of Bourbon-Two Sicilies (born 8 November 1938 in Warsaw) :married
Princess Maria Cristina of Savoy-Aosta (12 September 1933 in
Miramare – 18 November 2023 in
São Paulo), on 29 January 1967 in
Jacarezinho ::*Prince Luís of Bourbon-Two Sicilies (born 28 November 1970 in
Rio de Janeiro) ::: married firstly, Christine Apovian (born 20 May 1969) on 22 October 1998 in São Paulo, subsequently divorced ::::*Anna Sophia di Borbone-Dos Sicilias (born 9 April 1999 in São Paulo) :::married secondly, Maria da Glória Ganem Rubião ::::* Maria Isabel di Borbone-Dos Sicilias (2012) ::::* Luisa Fernanda di Borbone-Dos Sicilias (2014) ::::* Paulo Afonso di Borbone-Dos Sicilias (2014) ::*Princess Anna Cecilia of Bourbon-Two Sicilies (born 24 December 1971 in São Paulo) :::married Count Rodolphe de Causans (born 22 January 1973) civilly on 18 August 2005 in
Les Verchers-sur-Layon, religiously on 19 September 2005 in
Turin, and had issue. ::*Princess Elena Sofia of Bourbon-Two Sicilies (born 10 September 1973 in São Paulo) ::*Prince Alexander of Bourbon-Two Sicilies (born 9 August 1974 in São Paulo). Ordained a priest in
Rome on 22 December 2007. ==Ancestry==