Château Hosanna is an 11-acre estate in Pomerol that was formerly part of Château Certan-Giraud. Though it has an long history, Château Certain-Giraud was purchased in 1999 by Christian Moueix and divided into Château Hosanna and Château Certan Marzelle. Hosanna is 70% Merlot and 30% Cabernet Franc, and about 18,000 bottles are produced a year. Château Certain Marzelle is the second wine, which is 100% Merlot.