 Complete the following phrase:  In 1139, Matilda crossed to England to take the kingdom by force, supported by her half-brother Robert of Gloucester and her uncle King David I of Scotland, while her husband, Geoffrey, focused on conquering Normandy. Matildas forces captured Stephen at the Battle of Lincoln in 1141, but the Empress attempt to be crowned at Westminster collapsed in the face of bitter opposition from the London crowds. As a result of this retreat, Matilda was never formally declared Queen of England, and was instead titled Lady of the English . Robert was captured following the 