THE TENNANT FAMILY—MARGOT, ONE OF TWELVE CHILDREN—HOME LIFE IN GLEN, SCOTLAND—FATHER A SELF-CENTRED BUSINESS-MAN; HIS VANITIES; HIS PRIDE IN HIS CHILDREN—NEWS OF HIS DEATH—HANDSOME LORD RIBBLESDALE VISITS GLEN—MOTHER DELICATE; HER LOVE OF ECONOMY; CONFIDENCES—TENNANT GIRLS' LOVE AFFAIRS