Duchesne is on my mother side - her father Henry John Charman had a mother Martha - it is belived she came from the Duchesne line and the family originated from Middlesex - her daughter enned up living around the Marylebone area of London later moving in Bham and settling in Rednal Bham - Martha married a James Charman in Marylebone but they both moved to Bham belived about 1911 and both died within months of eachother in 1948 in Rednal Bham.