Boso (or Boson) "the Elder" (c. 800 – 855) was a Frankish of the Bosonid dynasty, Count in Italy.
Family and issue
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
A daughter (unknown name) who married Bivin of Gorze
Hucbert, Count of Valois, lay abbot of St. Maurice's Abbey (820–864).