265 Yet so far hath discretion fought with nature
266 That we with wisest sorrow think on him,
267 Together with remembrance of ourselves.
268 Therefore our sometime sister, now our queen,
269 The imperial jointress to this warlike state,
270 Have we, as 'twere with a defeated joy,--
271 With an auspicious and a dropping eye,

By "sometime" Claudius means formerly.