Mixed Marans Dozen - PRE SALEPRE SALE dispatch starting end of July. Any date requests can be left in comments. A selection of all of our Marans from different colour pens. Good off season and winter layers. The Marans, French Poule de Marans, is a French breed of dual purpose chicken, reared both for meat and for its brown eggs. It originated in or near the port town of Marans, in the department of Charente Maritime, in the Nouvelle Aquitaine region of south western France.