Biography
Diether I. von Isenburg-Büdingen, Graf von Isenburg, in Büdingen, was born circa 1385 to Johann II. von Isenburg-Büdingen (c1358-1408) and Margarethe von Katzenelnbogen (c1365-1438) and died after 14 September 1461 of unspecified causes. He married Elisabeth zu Solms-Braunfels (c1385-c1450) 26 July 1409 JL .
Children
| Name | Birth | Death | Joined with |
| Ludwig II. von Isenburg-Büdingen (1422-1511) | 1422 | 4 June 1511 Büdingen | Maria von Nassau-Wiesbaden-Idstein (1438-1480) |
| Agnes von Isenburg-Büdingen (-aft1496) | 1496 | Wilhelm I. von Wertheim (1421-1482) | |