Judit Bánffy de Losoncz was born 12 January 1888 in Cluj-Napoca, Cluj County, Romania to György Bánffy de Losoncz (1853-1889) and Margit Bethlen de Bethlen (1858-1929) and died 11 February 1949 Hațeg, Hunedoara County, Romania of unspecified causes. She married Ádám Bethlen de Bethlen (1881-1958) 27 March 1909 in Cluj-Napoca, Cluj County, Romania.
Children
| Name | Birth | Death | Joined with |
| Gábor Bethlen de Bethlen (1910-c1980) | |||
| Farkas Bethlen de Bethlen (1913-c1995) | |||
| Ádám Bethlen de Bethlen (1917-2000) | |||
Siblings
| Name | Birth | Death | Joined with |
| Judit Bánffy de Losoncz (1888-1949) | 12 January 1888 Cluj-Napoca, Cluj County, Romania | 11 February 1949 Hațeg, Hunedoara County, Romania | Ádám Bethlen de Bethlen (1881-1958) |
| Zsuzsanna Bánffy de Losoncz (1888-1941) | 30 December 1888 Vienna, Cluj County, Austria | 30 April 1971 Brussels, Belgium | Gábor Kendeffy de Malomvíz (1875-1962) |
Residences
Footnotes (including sources)