Guglielmo VII the Great Aleramici del Monferrato, Marquess of Montferrat, King of Thessalonica, was born circa 1240 to Bonifacio II del Monferrato (1203-1253) and Marguerite de Savoie (c1224-1254) and died 6 February 1292 Alessandria of unspecified causes. He married Isabel de Clare (c1240-1271) 1258 JL . He married Beatriz of Castile (1254-aft1280) 1272 JL in Murcia. Charlemagne (747-814)/s, William I of England (1027-1087)/s.
|Offspring of Guglielmo VII del Monferrato and Beatriz of Castile (1254-aft1280)|
|Violante del Monferrato (c1274-1317)||1274 Casale||1317 Constantinople||Andronikos II Palaiologos (1259-1332)|
|Giovanni I del Monferrato (c1275-1305)||1275||1305|