
By the turn of the century, the Venezuelan de Montbrun family tree, had suffered quite a few setbacks with the death of Dr Domingo de Montbrun KNT, and four (4) of Dr Domingo & Emilia's six (6) children, but the future of the de Montbrun name and Domingo de Montbrun's Trinidad line was assurred with the birth of three 'de Montbrun' grandsons, Fitzpedro, Joseph Emilio and Leandro (Landy). Other names joining the de Montbrun family tree included several prominent Venezuelan families of that day including Betancourt, Plaz, Ferris, Ayala & Bermudez. The five generations were as follows:
1. ? de Montbrun + Dona Maria del Carmen de Montbrun
2. General Jose Leandro de Montbrun (b. March 13, 1797 – d. Aug 31, 1885)
3. Jose Maria de Montbrun (d. May 2, 1889 in Venezuela) m. ?
3. Dr. Domingo de Montbrun KNT. (b. Venezuela, d. Jan 28, 1894) m. Emilia Otero (b. 1833, d. Sept 12, 1913 at 80 years old)
4. Pedro Luis de Montbrun (1860 – June 15, 1890) m Maria Angela Dalton
5. Iris Maria Petra de Montbrun (July 29, 1890 – Mar 6, 1985)
5. Fitzpedro de Montbrun (b. 1889) m. (Jan 5, 1918) Virginia dos Santos (b.1898)
4. Domingo Antonio de Montbrun (Jnr.) (b. 1862 in Venezuela d.Feb 13, 1914)
4. Carmen Luisa de Montbrun (b. 1865, d. Oct 2, 1883)
4. Josepha de Montbrun m. General Jose Maria Betancourt Sucre
5. Antonio Jose Nelson Betancourt (b.June 4, 1886)
5. Pedro Louis Betancourt
5. Jose Maria Betancourt
5. Domingo Louis Betancourt
5. Mrs ? Plaz (nee Betancourt)
5. Mrs. J.Ferris (nee Betancourt)
5. Mrs Josefina Ayala (nee Betancourt)
5. Mrs J.M. Bermudez (nee Betancourt)
4. Louisa Antonia de Montbrun (b. June 1869 d.Aug 2, 1871)
4. Jose Leandro de Montbrun (b. 1868, d. Feb 21, 1899) m. Josephine Margaret Laughlin
5. Joseph Emilio (Jose) de Montbrun (Apr 15, 1898 – Mar 7, 1979) m. Vera Sharpe
5. Leandro (Landy) de Montbrun (Apr 2, 1899 – Feb 23, 1960)
Alan de Montbrun