Boso (or Boson) "the Elder" (c. 800 – 855) was a Frankish Count of Turin and Count of Valois of the Bosonid dynasty.

He was married to Engeltrude. They had the following issue:

• Boso, Count of Valois (d. 874)
• Teutberga (d. before November 25, 875), married Lothair II
• Richildis (d. 883), married Bivin of Gorze
• Hucbert, Count of Valois, lay abbot of St. Maurice's Abbey (820–864).

• Pierre Riché, The Carolingians, a family who forged Europe.

• GENEALOGY.EU: Bosonides
• Stirnet: Provence1 (subscription required)

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