(Decanter) - The Capbern-Gasqueton family of Calon-Segur was 'reassured' that its properties would remain in French hands, its new owners said today.The sale of 1855 third growth Chateau Calon Ségur, together with fellow Saint Estephe estate Chateau Capbern Gasqueton, has finally been confirmed. The purchaser is the French insurance company Suravenir, a subsidiary of Credit Mutuel Arkea, which also owns Credit Mutuel Bretagne, Massif-Central and Sudouest.