Two days before his wedding the Earl of Dalkeith was a godfather at the christening of his little nephew at Selkirk . Scotland . The baby is the forst child of the Earl's younger sister , Lady Caoline Gilmour , Princess Margaret was a godmother , but she did not attend the christening .Seen here outside the church after the christening LtoR Earl of Dalkeith , Duchess of Northumberland , Duke of Buccleuch , Lady Caroline Gilmour ( holding the baby David Robert Gilmour ) , Mr Ian Gilmour , Duchess of Buccleuch with Lady Victoria Percy , and Lady Caroline Percy in front . 8 January 1953