Ádám Bethlen de Bethlen was born 3 November 1691 in Sibiu, Sibiu County, Romania to Sámuel Bethlen de Bethlen (1663-1708) and Borbála Nagy de Borsa (1666-1708) and died 8 July 1748 Cluj-Napoca, Cluj County, Romania of unspecified causes. He married Klára Bánffy de Losoncz (1692-1767) 1711 .
was főispán of Fehér County
Children
| Name | Birth | Death | Joined with |
| Gábor Bethlen de Bethlen (1712-1768) | |||
| Miklós Bethlen de Bethlen (1720-1781) | |||
| Ádám Bethlen de Bethlen (c1725-c1780) | 1725 | 1780 | Zsuzsanna Bánffy de Losoncz (c1732-1794) |
Siblings
Residences
Footnotes (including sources)