Biography
Agnes von Braunschweig-Grubenhagen-Osterode was born circa 1342 to Ernst I. von Braunschweig-Grubenhagen-Osterode (1297-1361) and Adelheid von Everstein (1324-aft1373) and died after 5 November 1394 of unspecified causes. She married Ulrich von Honstein (1322-1413) 1362 JL .
Children
| Name | Birth | Death | Joined with |
| Adelheid von Honstein(1354-1380) | |||
| Dietrich von Honstein (1355-1398) | |||
| Heinrich von Honstein (1360-1432) | 1360 Kelbra, Mansfeld-Südharz District, Saxony-Anhalt, Germany | 1432 | Margarethe von Weinsberg (c1380-c1435) |
| Ernst von Honstein (1364-c1366) | |||
| Elisabeth von Honstein (1368-1425) | |||