Gobert de Helleville was a French nobleman from Helleville

Helleville

Helleville is a commune in the Manche department in north-western France....

 in Normandy

Normandy

Normandy is a geographical region corresponding to the former Duchy of Normandy. It is in France.The continental territory covers 30,627 km² and forms the preponderant part of Normandy and roughly 5% of the territory of France. It is divided for administrative purposes into two régions:...

, who was sent to the Mongols

Mongols

Mongols ) are a Central-East Asian ethnic group that lives mainly in the countries of Mongolia, China, and Russia. In China, ethnic Mongols can be found mainly in the central north region of China such as Inner Mongolia...

 by the king Philip the Fair

Philip IV of France

Philip the Fair was, as Philip IV, King of France from 1285 until his death. He was the husband of Joan I of Navarre, by virtue of which he was, as Philip I, King of Navarre and Count of Champagne from 1284 to 1305.-Youth:A member of the House of Capet, Philip was born at the Palace of...

 in 1288. Gobert accompanied the Mongol embassador Rabban Bar Sauma

Rabban Bar Sauma

Rabban Bar Sauma , also known as Rabban Ṣawma or Rabban Çauma, , was a Turkic/Mongol monk turned diplomat of the Nestorian Christian faith. He is known for embarking on a pilgrimage from Mongol-controlled China to Jerusalem with one of his students, Rabban Markos...

on his return trip.

Gobert is indirectly mentioned in the Syrian accounts describing Rabban Bar Sauma's voyage to Christians lands:
Gobert de Helleville departed on February 2, 1288, with two clercs Robert de Senlis and Guillaume de Bruyères, as well as arbaletier Audin de Bourges. They joined Bar Sauma in Rome, and accompanied him to Persia.