Some articles on bougrain:

Battle Of Hannut - Battle On 13 May - Morning Actions
... General Bougrain, commanding the 2nd DLM, signalled enemy infiltrations and attacks by armoured cars over the Mehaigne river at Moha and Wanze, just north of Huy, attacks which threatened ... Bougrain diverted his tank reserves to try to retrieve the situation ... Bougrain's Dragoons and motorised infantry were strung out in a series of isolated strongpoints and thus were vulnerable to infiltration ...