His mother was Lady Elizabeth , youngest child of Willem van Keppel , 2nd Earl of Albemarle and Lady Anne Lennox .
Bedford was a younger son of Francis Russell , Marquess of Tavistock , eldest son and heir of John Russell , 4th Duke of Bedford .
John Russell 's mother was Lady Elizabeth , youngest child of Willem van Keppel , 2nd Earl of Albemarle and Lady Anne Lennox .
Bedford was a younger son of Francis Russell , Marquess of Tavistock , eldest son and heir of John Russell , 4th Duke of Bedford .