E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
King Dagobert and St. Eloi. There is a French song very popular with this title. St. Eloi tells the king his coat has a hole in it, and the king replies, Cest vrai, le tien est bon; prête-le moi. Next the saint complains of the kings stockings, and Dagobert makes the same answer. Then of his wig and cloak, to which the same answer is returned. After seventeen complaints St. Eloi said, My king, death is at hand, and it is time to confess, when the king replied, Why cant you confess, and die instead of me?