Year of Sir Moses Montefiore's marriage

Question:
In what year did Sir Moses Montefiore marry his wife Judith?

Answer:
According to the work Moses Montefiore : Jewish Liberator ; Imperial Hero by Abigail Green [Cambridge, MA : Belknap Press of Harvard University Press, 2010 - p.28], Moses Montefiore married Judith Barent-Cohen in 1812. Judith was an Ashkenazi whose father was a succesful merchant (ibid.). Both Moses and Judith were in their late twenties at the time of the marriage.