BiographyGuy I de Blois, Count of Blois, Lord of Avesnes, was born circa 1298 to Hugh II de Châtillon (-1307) and Beatrix of Flanders (-1307) and died 12 August 1342 of unspecified causes. He married Marguerite de Valois (1295-1342) 1310 JL . Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899), William I of England (1027-1087), Hugh Capet (c940-996). Ancestors are from France, the United Kingdom, Germany, Belgium, Russia, Ukraine, the Netherlands, Italy, Turkey, the Byzantine Empire.
|Offspring of Guy I de Blois and Marguerite de Valois (1295-1342)|
|Louis I de Châtillon (-1346)|| |
|Charles de Blois (1319-1364)||1319||29 September 1364 Auray, Brittany, France|| Jeanne de Penthièvre (1319-1384)|
|Marie de Blois (1323-1380)||1323||1380|| Raoul de Lorraine (1320-1346)|
Friedrich VII. von Leiningen-Dagsburg (-1377)