An embassy from Louis VII at Ratisbon was conducted to Constantinople

Summary:
The letters delivered from Manuel I to Louis VII at Ratisbon proposed that Louis send a delegation to Constantinople, to be conducted by the Byzantine ambassador Mauros. Alvisus, bishop of Arras, Bartholomew the chancellor and Archibald, count of Bourbon are mentioned as envoys at this time. Everard of Breteuil, Manasses of Bulles, Anselm, seneschal of Flanders and Everard of Barres are indicated later as being their colleagues, during a struggle with Pechenegs. There may have been others 
Dates:
1147 
Alvisus, archbishop of Arras (Alvisus 101)
  • He was sent ahead with an embassy from Ratisbon to Constantinople, mentioned at the time he left (:) Odo of Deuil 28
Anselm, seneschal of Flanders (Anselm 101)
  • He was sent ahead with an embassy from Ratisbon to Constantinople, but only mentioned in a later clash with Pechenegs (:) Odo of Deuil 54
Archibald, count of Bourbon (Archibald 101)
  • He was sent ahead with an embassy from Ratisbon to Constantinople, mentioned at the time he left (:) Odo of Deuil 28
Bartholomew, chancellor of Louis VII (Bartholomaios 116)
  • He was sent ahead with an embassy from Ratisbon to Constantinople, mentioned at the time he left (:) Odo of Deuil 28
Everard of Breteuil (Everard 101)
  • He was sent ahead with an embassy from Ratisbon to Constantinople, but only mentioned in a later clash with Pechenegs (:) Odo of Deuil 52
Everard of Barres (Everard 102)
  • He was sent ahead with an embassy from Ratisbon to Constantinople, but only mentioned in a later clash with Pechenegs (:) Odo of Deuil 54
Louis VII, king of France (Louis 101)
Manasses of Bulles (Manasses 101)
  • He was sent ahead with an embassy from Ratisbon to Constantinople, but only mentioned in a later clash with Pechenegs (:) Odo of Deuil 53-54
Mauros, envoy to Louis VII at Ratisbon (Mauros 107)
  • As instructed by Manuel 1, he conducted an embassy from Louis 101 at Ratisbon to Constantinople: names of some of the envoys were mentioned as they left, while others were only recorded as they took part in a later battle with Pechenegs (:) Odo of Deuil 28