Biography
Alessia del Monferrato was born circa 1237 to Bonifacio II del Monferrato (1203-1253) and Marguerite de Savoie (c1224-1254) and died 6 February 1285 of unspecified causes. She married Albrecht I. der Große von Braunschweig-Lüneburg (1236-1279) 1 November 1263 JL in Kenilworth.
Children
| Name | Birth | Death | Joined with |
| Heinrich I. von Braunschweig-Grubenhagen (1267-1322) | August 1267 | 7 September 1322 Salzderhelden | Agnes von Thüringen (bef1264-aft1332) |
| Albrecht II. von Braunschweig-Wolfenbüttel-Göttingen (c1268-1318) | 1268 | 22 September 1318 | Rixa von Werle (c1268-1317) |
| Wilhelm von Braunschweig-Lüneburg (1270-1292) | |||
| Otto von Braunschweig-Lüneburg (?-c1346) | |||
| Luther von Braunschweig-Lüneburg (1275-1335) | |||
| Mechthild von Braunschweig-Lüneburg (c1275-1318) | 1275 | 1318 | Henry III of Glogow (c1255-1309) |
| Conrad von Braunschweig-Lüneburg (?-c1303) | |||