Sarah Maxwell (died 1636) (1570–1636) Parents Agnes Herries, Lady Herries of Terregles John Maxwell, 4th Lord Herries of Terregles Children James Johnstone, 1st Earl of Hartfell Siblings Sir Robert Maxwell of Spottis Edward Maxwell William Maxwell, 5th Lord Herries Mary Maxwell Elizabeth Maxwell Nicola Maxwell Agnes Maxwell Margaret Maxwell Grissel Maxwell Partners Sir James Johnstone of Johnstone Hugh Montgomery, 1st Viscount Montgomery John Fleming, 1st Earl of Wigtown