Taken from:
D.F. Kuiken en H.J.E. Hartog, Ondertrouwboek van de stad Groningen, 1611-1623 (Groningen 2005), p. 550
Saterdach 16 mei.
Antoine Cucheron van Rochelle adelburs onder sijn Gnade, mit Jean Brulon de la Plante, unde Elske Michels, Hans Michels sijn Gnaden piqueur dochter, absent, daer voer die steefmoder Marie compareerde.
In margine: Martinikerk, per dominum Arnol., 14 junij 1612.
16 May [1612]: banns granted, the bridegroom is being assisted by Jean Brulon de la Plante.
The bride is a daughter of Hans Michels (the "piqueur" [riding-master] of His Grace, the commander (one of the Nassau's, you will have to look that up) and she is assisted by her stepmother, Marie.
The actual wedding took place in St. Martin's Church on June 14, 1612.
Added later: the name Cucheron is probably the same as Coucheron.