Boso von Arles (reigning from? until 855)  was son of Theobald von Arles and Bertha von Lothringen, daughter of Lothar II. von Lothringen. He was succeeded by Hugbert Graf v.Arles.

Lothar II. von Lothringen was son of Lothar I. von Lothringen, one sone of Ludwig den Frommen, Koenig von Franken.

Ludwig was son of Karl den Grossen and Hildegard von Alemannen.

Daughter of Boso von Arles, Willa von Arles und Tuscien, married Berengar II. von Ivrea, Koenig von Italien. Their son was Otto Wilhelm von Burgund followed by:

Reinald I. von Burgund
Wilhelm I. von Burgund
Stephan I. von Varask
Reinald III. von Burgund
Beatrix von Burgund married to Friedrich I. Barbarossa

His son Otto I. von Burgund married Margareth von Blois. Their daughter:

Beatrix von Burgund was married to Otto I. von AndechsMeran