Definition of "Gertrude"

O Gertrude, Gertrude! / When sorrows come, they come not single spies, / But in battalions.

c. 1599–1602 (date written), William Shakespeare, “The Tragedie of Hamlet, Prince of Denmarke”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act IV, scene v]

"We two," she said, "will seek the groves / Where the lady Mary is, / With her five handmaidens, whose names / Are five sweet symphonies, / Cecily, Gertrude, Magdalen, / Margaret and Rosalys.

1850, Dante Gabriel Rossetti, The Blessed Damozel, lines 103–108